![]() The diagrams can be kept simple or they can be structured by the application of a number of additional connectors such as Include, Extend and Generalization relationships.Ī system Boundary can be included that is used to name the system, subsystem or entity under discussion the Actors lie outside the Boundary and the Use Cases inside. The elements are processed in a case-sensitive manner (so lowercase and. Use Cases will often act as the basis for the definition of Test Cases.Īny number of Use Case diagrams can be created to represent different parts of a system or Packages of Use Cases. Online tool to create custom Venn/Euler diagrams up to 6 sets and intersections. ![]() ![]() They always describe the goal from the Actors' perspective, the details of the Use Case will describe the goal with more precision. The Use Case diagram is used to describe the goals that users or other systems want to achieve from interacting with the system. Project Browser context menu | Add Diagram. Project Browser Toolbar : New Diagram icon > UML Behavioral > Use Case Ribbon: Design > Diagram > Insert > UML Behavioral > Use Case They are typically used in conjunction with higher level Business and Stakeholder Requirements and are often supplemented with a set of Non Functional Requirements.
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