However, the most important purpose of a use-case model is to communicate the system's behavior to the customer or end user. Create a use case diagram. The most important use cases. Refer to the inventory replenish use case. Each step should state what the user does and/or what the system responds. There are many ways to model a system, each of which may serve a different purpose. In this Use Case case study, I am going to present a case study of airport check-in system. ) The following checklist shows the necessary steps for constructing class diagrams. The most common treatment is a hysterectomy, which is surgery to remove the uterus. Use this guide and try out the free templates included! Sign up with Lucidchart for free for all your UML diagramming needs. Actor description. A Use Case represents a discrete unit of interaction between a user (human or machine) and the system. The as-is process diagram is evolved into a to-be process diagram that illustrates the process to be applied in future, and the tasks in to-be process diagram are evolved into a use case in a use case diagram for modeling system level user goal. A track can be started from the web client or from the mobile application (cell phone application). It is beneficial to write use cases at a coarser level of granularity with less detail when it's not required. You can edit this template and create your own diagram. The aim of the project is to add effort tracking functionality to. It identifies the external entities (known as actors) that will work with your system as well as what they will be doing with your system (the "use cases" for those actors). 3 Use Case Diagram 32. *FREE* shipping on qualifying offers. Borrow book BookBorrower • A scenario is an instance of a use case • Actor is role, not an individual (e. The Diagrams are located in org. Systems at Suffolk University. Visual Use Case TM has many benefits to offer, the best way to find out is to experience it for yourself. Generalization relationships are used in class, component, deployment, and use-case diagrams to indicate that the child receives all of the attributes, operations, and relationships that are defined in the parent. A UML Use Case Diagram showing Uber Usecase. components and classes) will implement the Use Case functionality in the new system. JIRA is incredibly adept at helping teams track and accomplish the items that need to be accomplish, which means that JIRA has found great success in numerous use cases. They enable you to visualize the different types of roles in a system and how those roles interact with the system. We use cookies to understand how you use our site, give you an awesome experience, and deliver our services. The name of the use case appears either inside the ellipse or just below it. Class Diagram for Movie Rental System at DownTown Videos 2. If you use Use Cases or are planning to use Use Cases to document your system's behavior, Visual Use Case TM will help improve your team's productivity. Use cases provide a beneficial means of project planning because they clearly show how people will ultimately use the system being designed. The Retail Store Management System is a system designed for managing i. Hiring managers can then use this information to improve the time to hire or cost per hire and attract the best people for the role. The use case diagram should contain all ovals, all actors and the system boundary in a single diagram because this is a very simple case study. Use case in diagram. Use Case Diagram menggambarkan sebuah fungsionalitas yang diharapkan dari sebuah sistem dan bagaimana sistem berinteraksi dengan dunia luar. The health information systems of the two provider organizations should be able to successfully transfer a notification of the patient referral. In the case of an emergency situation, call 911. Use-Case diagram: fig 1:Usecase Diagram 23/48student tracking system 24. You can edit this template and create your own diagram. Use case testing is a technique that helps us identify test cases that exercise the whole system on a transaction by transaction basis from start to finish. Chapter 1, Use Case Introduction. Case Studies Case Study: The Real Estate Multiple Listing Service System Refer to the description of the Real Estate Multiple Listing Service System in the Chapter 5 case studies. Global Positioning System (GPS) has been used in various commercial applications including transportation, navigation and vehicle position tracking, which when coupled with GSM mobile phone technology, the technology can help locate stolen vehicle and retrieval process. A use case diagram can identify the different types of users of a system and the different use cases and will often be accompanied by other types. Refer to the inventory replenish use case. Identify Actors 2. This chapter is from the book. Easy to find the stolen Car. Data Flow Diagrams A structured analysis technique that employs a set of visual representations of the data that moves through the organization, the paths through which the data moves, and the processes that produce, use, and transform data. JIRA is incredibly adept at helping teams track and accomplish the items that need to be accomplish, which means that JIRA has found great success in numerous use cases. This quick use case. It has been said before that "Use case diagrams are the blueprints for your system". Refinement of the (Business-) Use Case in System-Use Cases Child Diagrams / Composite Element New Diagram as Child Diagram: Existing Diagram as Child Diagram Removing a new Composite Element Attribute Setting a Return Link Use of Links – Selection and Greeting Page Activity Diagram Creation of Swimlanes Partition – The Alternative to Swimlane. ) Collaboration Tools : Subscribe for Notifications whenever a Tracking Item or Development Artifact is modified. Where to Use Interaction Diagrams? We have already discussed that interaction diagrams are used to describe the dynamic nature of a system. The functionalities may be classified into 3 main subsystems: Customer registration, Inventory management and the purchasing subsystem. Diagram Konteks Diagram konteks adalah diagram yang terdiri dari suatu proses dan menggambarkan ruang lingkup suatu sistem. In the above diagram, there are three actors: Administrator - he is having full access to all the systems of the Geocaching. A single Activity under the Use Case called (usecase name)_ActivityGraph. Sequence diagrams can be used to translate the use case scenario into a visual tool for systems analysis. Diagram Use Case Diagram Library Management System. Actuary with the help of a written will or other cash expenses, such as high as seven percent. Mass is the amount of matter in an object. According to Wikipedia, “Context diagrams can be developed with the use of two types of building blocks: labeled boxes, one in the center representing the system and around it multiple boxes for each external actor, and relationship, labeled lines between the entities and system”. In this instance, you can describe the common parts in a separate use case (the parent) which then is specialized into two or more specialized child use cases. class diagram for library management system - DeLorme Earthmate DeLorme Earthmate BT-20 with Street Atlas USA Plus The Delorme Earthmate GPS BT-20 is the ultimate GPS bundle for off-road & on-road action. Railway Reservation System is a system used for booking tickets over internet. with it, and every output must have a use case to produce it What causes someone to interact with the system? When does the system need to produce something? What signals the system to do something? Consider different levels of use cases: summary, user goal and subfunction. The system will validate the user name and password and will reject them if either they are missing or if the user name is already taken. Suzy wants to store each book and be able to retrieve the book based on Author, publisher , and/or genre. • Actor triggers use case. They don't show the order in which steps are performed. You should develop an object relationship diagram that provides an overview of the system. Now, we will look into the practical scenarios where these diagrams are. System: A specific sequence of actions and interactions between actors and the system. An applicant tracking system, or ATS, is a software application that organizes recruitment, chiefly by organizing the hiring process. A tutorial about how to interpret UML use case diagrams can be found here. • The system has an assign paralegal option as part of the new case interface. In this context, a "system" is something being developed or operated, such as a web site. Offers publications, overview of organization, current news and events, participation surveys. In this context, the term system refers to something being developed or operated, such as a mail-order product sales and service Web site. A use case diagram shows the actors and their associations with particular use cases. 1 day ago · The system is in use at 23 middle and high schools across the district, and each school makes its own decisions about which teachers and administrators can see the data for all kids. Use case diagram – Focuses on the business requirements and many more. The case study includes identification of actors, use cases and scenarios including activity diagram. Use Case Diagram: Screen Navigation Diagram : State Diagram : Free Form Diagram (Use For, Process Flow, etc. Edit Student. The child use case may define new behavior sequences, as well as add behavior into and specialize existing behavior of the parent. (Hoffer, George & Valacich, 2008). yeh ULM Diagrams ka pahla video hai. Description: A user wishes to find and view a public use case diagram. Due to the popularity and low cost of the Ethernet standard, nearly all new computers have a network interface build directly into the motherboard. The state and interaction models describe different aspects of behavior. Interaction diagram is nothing but a subset of behavioral diagrams. Experience the meaning of "invented for life" by Bosch completely new. Explanation of each class, components, modules, sub-systems is provided with all the content required to understand the design framework, and development process [11][29]. The parent will get problem. Find gyms near me, fitness center near me, & 24 hour gyms near me. Explanation of each class, components, modules, sub-systems is provided with all the content required to understand the design framework, and development process [11][29]. What do you understand by Mark Exception and System Unavailable Exception in Blue Prism?. Interaction diagrams and patterns apply while doing use-case realizations; During construction use-case realizations are created for remaining design. 3 Control specification (CSPEC). Definition of Sequence Diagram and any one sequence diagram pertaining to CCS features. If you continue browsing the site, you agree to the use of cookies on this website. There are many ways to model a system, each of which may serve a different purpose. It has a Mantis Effort 0. There are various challenges encounter in vehicle. A use case diagram shows the actors and their associations with particular use cases. They don't show the order in which steps are performed. System stops cooking the food, switches off the light, stops the turntable, sounds the beeper, and displays the end message. Trigger: Project manager decide to check the progress of employee to tasks. • Similar to the concept of user, but a user can play different roles; (example: a prof. Use cases at this level can typically be used and reused. Extend - (conditional call) - a use case that may or may not invoke another use case. A parent use case may be specialized into one or more child use cases that represent more specific forms of the parent. Use Case Diagram. ) Verify that customer. Use cases are text documents,not diagrams,and use-case modeling is primarily an act of writing text, not drawing. If the time sequence is important, then the sequence diagram is used. A use-case realization describes how a particular use case is realized within the design model in terms of collaborating objects. During elaboration, I often split any use case that's getting too complicated. JIRA is incredibly adept at helping teams track and accomplish the items that need to be accomplish, which means that JIRA has found great success in numerous use cases. The ICMJE is a small group of general medical journal editors and representatives of selected related organizations working together to improve the quality of medical science and its reporting. Remote Computer Monitoring Uml Diagrams. Use Case Diagram. those actors interacting with the system) – leading to an externally visible result • What is the model supposed to do?. Remember to use the past tense throughout - the work being reported is done, and was performed in the past, not the future. A Use Case Diagram (uc) consists of a set of Actors and Use Cases and the relationships between them. Consequently, the model must be easy to understand. It is used to visualize the flow between various use case elements of a system. Use-Case diagram: fig 1:Usecase Diagram 23/48student tracking system 24. In UML functional requirements are called use cases. Use-Case diagram: fig 1:Usecase Diagram 23/48student tracking system 24. ” An actor in a use-case diagram represents a user using the. The Android Application is designed for students where they can access/view the daily timetable of bus, bus route, location of bus, and bus arrival and delay timing information. GPS & GSM Based Car Security System. View 3 minute video of 'Item Locator System' The diagram above shows a summary of the tracking system in 3 steps: Communication between tagged objects and GPS, RFID, wireless and mobile networks to ascertain and communicate current position and status. Use Case Diagrams. A case file has been opened for a new case. A use case diagram at its simplest is a representation of a user's interaction with the system that shows the relationship between the user and the different use cases in which the user is involved. Initial Use Case Diagram for Material Tracking System. View Attendance 6. AT System (Use Case Diagram) AT System : Use Case Diagram. UC3: Register in class. 5 do not mention, define or explain abstract use cases. Thus, UML makes these artifacts scalable, secure and robust in execution. A use case diagram can identify the different types of users of a system and the different use cases and will often be accompanied by other types. A use case diagram shows the actors and their associations with particular use cases. Use Case UML Notations Bank. Our GPS vehicle tracking systems are easy to install, and tested for readiness and accuracy upon activation prior to shipping. First of all, thanks for the A2A, Juan. Use Case Diagrams As discussed in the previous chapters, textual requirements are an easy specification method but fails at specifying interactions between a system and its users. The O shows that the relationship works in the opposite way: in this case as you raise price, customers' perceptions of good value reduce. The aim of the project is to add effort tracking functionality to. Discussion employee management system use case diagram Images for activity diagram for mobile tracking a system. In this section, the context for the choice of the project will be covered, there will be a. Instead of creating use case diagram manually, you can also create it programmatically using Open […]. An actor can be a person, an organization, or another system. They will also use the system to inform them when the food is ready for serving to the table. Data Flow Diagrams A structured analysis technique that employs a set of visual representations of the data that moves through the organization, the paths through which the data moves, and the processes that produce, use, and transform data. Child tracking system, or also known as kid’s tracker, is an app that can track and monitor the child location. Each package on the diagram can be linked to child diagram that can itself be a package or class diagram. Post Conditions. Number your child diagrams Diagram 1, Diagram 2, and so on, in accordance with the number you assigned to each process in the level 0 diagram. In complex systems you should give each use case a short identifier. A use case diagram is a graphic depiction of the interactions between system elements. A USE Case defines what needs to happen upon a particular action in order for that action to be completed successfully. EventStudio System Designer 4. Features include: Case status summary - so you see at a glance what's outstanding for all your cases. Primary and Secondary Use Case Actors. A use case acts as a software modeling technique that defines the features to be implemented and the resolution of any errors that may be encountered. A is a type of B For example, "an oak is a type of tree", "an automobile is a type of vehicle" Generalization can only be shown on class diagrams and on use case diagrams. based location tracking system via Android device. in 2013 entitled "GPS-Based Location Tracking System via Android Device",. A use-case realization describes how a particular use case is realized within the design model in terms of collaborating objects. (UML, 1999) Use Case Diagram Figure 1. Relationships relate actors to actors, actors to use cases and use cases to use cases establishing the use case diagram structure. Draw a use-case diagram for the PHTRS. You can edit this UML Use Case Diagram using Creately diagramming tool and include in your report/presentation/website. Pegasystems won CRM Watchlist 2019 on the strength of their narrative, product and their impact due to both. The use case diagram are usually referred to as behavior diagram used to describe the actions of all user in a system. Borrow book BookBorrower • A scenario is an instance of a use case • Actor is role, not an individual (e. Uml Use Case Diagram Tutorial Ppt >>>CLICK HERE<<< Select first an element where a new Use Case Diagram to be contained as a child. The child welfare system as a gateway to mental health services Because all children in foster care are categorically eligible for Medicaid, an examination of statistics on the use of mental health services among child and adolescent Medicaid populations highlights the increased needs for mental health services of children involved in the child. Question about Use Case Diagram (self. Visit our international website. UML Use Case Diagram. Pay Bill is a parent use case and Bill Insurance is the child. In this section, the context for the choice of the project will be covered, there will be a. A use case acts as a software modeling technique that defines the features to be implemented and the resolution of any errors that may be encountered. He was an electronics expert, she an accountant, and by their early 30s they were living with their two young daughters in Hale, in Greater. It is necessary to have a safe online environment nowadays. Use case diagram is used during the analysis phase of a project to identify the system functionality. VTA security officer shoots, kills man with knives at Santa Teresa light-rail station Man was reportedly holding knives and scissors and threatening people on the train platform Wednesday night. A use case describes an interaction scenario and its possible alternatives. FLOW OF EVENTS FOR MAINTAIN TRACK USE CASE. The most important use cases. I only need guidance not full answers. • Actor triggers use case. The attorney selects a paralegal from the list in the case screen. In UML modeling, a generalization relationship is a relationship in which one model element (the child) is based on another model element (the parent). ) The following checklist shows the necessary steps for constructing class diagrams. Component Diagram – An Extension to the UML. Use case diagrams depict what the customer wants to do in order to achieve a stated goal of the product. Use Case: View Public Use Case Diagram. It produces membership cards with barcodes for use with a barcode scanner. First of all, thanks for the A2A, Juan. The use case Start a track is in fact 2 use cases. Online program that include graphics generated in real-time and customized for a location and time zone to observe satellites such as ISS, space shuttle, and iridium flares. 3 Use Case Diagram 32. Actuary with the help of a written will or other cash expenses, such as high as seven percent. Use cases represents typical set of scenarios that help to structure,relate and understand the essential requirement. You should organize your use cases and use case diagrams so they can be linked to the appropriate class, state transition, sequence, and activity diagrams. By using our site,. A use case diagram is quite simple in nature and depicts two types of elements: one representing the business roles and the other representing the business processes. Use Case diagram Figures 1. SwiftTec Loyalty Tracking System. Secondary Actors are actors that the system needs assistance from to achieve the primary actor’s goal. The user is not part of the project. 6 (3) Use Case Model 3. Ignou mcs-032 theory paper aur mcsl-036 lab paper ke. See more ideas about Use case, Diagram and Tools. Posts about data flow diagram written by SnaiLbob. The death of a 56-year-old Iowa woman this weekend highlights the extreme lengths some families go to advertise on social media that they’re expecting a. with it, and every output must have a use case to produce it What causes someone to interact with the system? When does the system need to produce something? What signals the system to do something? Consider different levels of use cases: summary, user goal and subfunction. This provides a high level of traceability for the system. Teacher : Teacher has read-and-write access privilege that allows him/her to add students to class, create tests and tutorials and adjust students’ grades. It identifies the external entities (known as actors) that will work with your system as well as what they will be doing with your system (the "use cases" for those actors). A use case diagram graphically pictures several use cases, their actors, and their. Use Case Diagram Template. On the Use Case diagram this would be represented by an arrow drawn from the premium user to the basic user (read as "inherits from"). 0 a use case and sequence diagram based system design and architecture modeling tool that runs on Windows. Use case diagram components. New case is created in the system. They are multi level. who might use the system; is used in creating actors for the use case diagram. As soon as he/she presses the SOS button, you will get the real time emergency alarm of ?Help Me?, and you can take the most appropriate action to save your child. Evaluate Your Results. You indicate which ones on the line between the use cases on the diagram. Use case diagram is shortly, Use case is a collection of scenarios between a user and a system interaction. Precondition: Project manager need to access to the system. (Ref Business Use Case 2. The nine-count indictment was unsealed today along with a parallel. Create the level 0 diagram using (if necessary) the requirements definition, use case diagrams, use cases, user stories, summary of business activities, etc. Class diagrams allowed for system sequence diagrams, more detailed system diagrams, and state diagrams. In this context, the term system refers to something being developed or operated, such as a mail-order product sales and service Web site. These systems are often stand-alone agencies or housed within a larger human services agency that might also include Medicaid, child care, disability services, among other programs. Chapter 3: Briefs the analysis and design part of Android Application Smart Tracking System focusing on use case diagrams, ER diagrams, class diagrams and schema of the project. The parent will get problem. Applane Real-Time Bus Tracking System. Trigger: Project manager decide to check the progress of employee to tasks. Jun 5, 2017- Explore visualparadigm's board "UML Use Case Diagram" on Pinterest. Easy to draw uml model diagram, COM and OLE, data flow model diagram, Jacobson Use Case, SSADM Diagram, Nassi-Schneiderman, Booch OOD, ROOM Diagram, Yourdon and Coad and Shlaer-Mellor OOA. Features include: Case status summary - so you see at a glance what's outstanding for all your cases. Use cases are becoming more mainstream as a method for capturing requirements, as evidenced by the endorsement of big companies and methodologists such as Booch, Rumbaugh, and Coad. A system may also be referred to as a scenario. A Use Case diagram is a graphical representation of the high-level system scope. All use cases need a name that starts with a strong verb. Probably the most well known structural diagram are class diagrams, which specify the data structures and their relationships within your program. *FREE* shipping on qualifying offers. USE CASE MODEL Time Attendance System Use Case Diagram 24. Domain Modeling is driven by use cases as they become known. The directory should be able to provide phone numbers when presented with a name; it should also list area codes for different parts of the country and gene rate. The connection to the bank will be shut down. Each use case represents a single idea or logically grouped behaviors. A use case diagram is quite simple in nature and depicts two types of elements: one representing the business roles and the other representing the business processes. A use case describes what a system does as viewed from _____ the system. The SysML solution helps to present diagrams using a Systems Modeling Language; a perfect tool for system engineering. There are 3 actors, 10 use cases which represent for di erent action what actors can do with the system. (Ref Business Use Case 2. In the case of Joseph Norko, a Vermont man attempting to arrange sex with whom he thought was a 12-year-old girl in. Use Case: Use case is a collection of scenarios, and each scenario is a sequence of steps. The use cases shown above are: 1. A use case diagram graphically pictures several use cases, their actors, and their. Find gyms near me, fitness center near me, & 24 hour gyms near me. € Create funding for pertaining to the child's education With soaring medical costs and so various health perils rampant today, it's vital to have your health insurance coverage insurance plan. You can create a UML use case diagram in Visio to summarize how users (or actors) interact with a system, such as a software application. Design an activity diagram for college information system. Figure 1 shows the use-case diagram for a simple telephone system. Case Studies Case Study: The Real Estate Multiple Listing Service System Refer to the description of the Real Estate Multiple Listing Service System in the Chapter 5 case studies. Class Diagram for Movie Rental System at DownTown Videos 2. EventStudio takes a different approach to modeling. Normally, a use case is a high-level view of process, not an individual step or transaction. They may be representational and drawn to scale, such as in a floor plan , where they must convey precise measurements and placement of elements. The child use case is connected at the base of the arrow. Goals: The end result of most use cases. A use case diagram displays the relationship among actors and use cases. Use case diagrams define the scope of a system. The death of a 56-year-old Iowa woman this weekend highlights the extreme lengths some families go to advertise on social media that they’re expecting a. Within the UML metamodel, Generalization is a sub-class of Relationship. A use case generalization shows that one use case is simply a special kind of another. The user is not part of the project. Indeed, Use Case Diagram shows what we want the system to do rather than describe how it can be. While a use case itself might drill into a lot of detail about every possibility, a use-case diagram is often used for a higher-level view of the system as blueprints. Use Cases describe functional requirements by using symbols and text to show how users will use the system. For ordering, arranging and selling goods. In this Use Case case study, I am going to present a case study of airport check-in system. Business analysts can use class diagrams to model systems from the business perspective. The identification of use cases helps define system scope, ensuring that the requirements to be found will all be aligned with the business values, needs and strategy. x specifications including UML 2. The SwiftTec Loyalty Tracking System is designed for shops and clubs that wish to keep a database of their members and track the collections and redemption of loyalty points by club members. In fact I will go so far as to say, in the arena of UML diagrams, the use case diagrams are only of use at the very highest levels of. For example a Calling Subscriber can place. Software Testing Forum. Take a look at our use case diagram guide to learn more about the benefits of use case diagrams and the shapes involved. Then for each class's interaction, diagrams were made and modified until the final class diagram was made. Both generalization and extend allow you to split up a use case. Steel or Mrs. GPS based Bus Tracking and Monitoring system in which the tracking is done by implementing maps with GPS facility. initial use case diagram. Pay Bill is a parent use case and Bill Insurance is the child. A use-case diagram is a simple way of presenting an overview of a system's requirements. With Edraw Max, you can edit the free software diagram template for personal and commercial use. Garnish for Child Support Claimant Court Order to terminate Garnishment Letter of Garnishment( personal information,Amount ) Automated Child Support Enforcement System File of Court Orders for child support that match UI Claims( SSN,Amount,County ) Multiple Court Orders to garnish 1A Budget & Accounting Report of garnishments withheld( SSN. A soundly design task manager may play an important role to keep track of all assign tasks, pending tasks, completed tasks, due tasks, and impossible to complete tasks. The ordering system was designed using Use Case, Class, Sequence and State diagrams offered by UML. Global Positioning System (GPS) has been used in various commercial applications including transportation, navigation and vehicle position tracking, which when coupled with GSM mobile phone technology, the technology can help locate stolen vehicle and retrieval process. The Philadelphia Parking Authority Provides residents, businesses and visitors to Philadelphia with comprehensive parking management services. Create a global system sequence diagram based on the activity diagram in question 3. I only need guidance not full answers. TRUC is a web-based tool for requirement and use case tracking. A use-case diagram is a simple way of presenting an overview of a system's requirements. document provides that University Library System case description as well as a class diagram and use case diagram. staff database from the parking system during the development. FLOW OF EVENTS FOR MAINTAIN TRACK USE CASE. Teacher : Teacher has read-and-write access privilege that allows him/her to add students to class, create tests and tutorials and adjust students’ grades. 1-3) UC1021 CWE includes the 12th of the month If the system paid a Compensable Week Ending (CWE) and Adjusted Weekly Benefit amount due to earnings and the 12th day of the month occurs in the CWE, the system will place an indicator on the claim and generate a report Labor Planning and Analysis. They need to add appointments, keep track of schedules, bill for services, and process labs and. It is the responsibility of parents. Use cases provide a beneficial means of project planning because they clearly show how people will ultimately use the system being designed. I am learning about Use Case diagrams and UML. You can edit this UML Use Case Diagram using Creately diagramming tool and include in your report/presentation/website. It is the responsibility of parents. In case of any emergency, your child can get quick assistance if he/she presses the SOS button of the GPS child tracking system. (Grading: 2 points for each type of diagram, and 1 point for providng PDF file or WORD file containing all diagrams as jpg images captured from the screen using PrintScreen key. Each time the state of the order is changed by an employee, a time stamp is attached with the order specifying the date and time at which the state is changed. More parents are now choosing to homeschool instead of sending their children to public or private schools. 5 Display Parking Space Availability Use Case Narrative Activity Diagram Use-Case Name: Display Parking Space Availability Primary Actor: Display Other Actors: None Description: This use case describes the event of the system updating the information displayed by the parking lot entrance. Use Cases are used in the Analysis phase of software development to articulate the high-level requirements of the system. However, by allowing this scenario to take place, the technology allows for other use cases. It includes use cases, which are pieces of functionality the system will provide, and actors, who are the users of the system. Features include: Case status summary - so you see at a glance what's outstanding for all your cases. , couple who turned to surrogacy to become parents is challenging the Canada Revenue Agency in court in a bid to reduce the cost of the process. initial use case diagram.