10+ Detailed Use Case Diagram. Here are some questions that have been asked frequently in the uml world are why use case diagram? • built in early stages of development • purpose.
Actors can generalize other actors as detailed in the following diagram: Use case diagrams are used to gather the requirements of a system including internal and external influences. Or simply, why use cases?.
How to identify use case.
10+ Detailed Use Case Diagram. • specify the context of a system • capture the requirements of a system • validate a systems architecture • drive elements of use case diagram: A use case diagram acts as a focus for the description of user requirements. Use case diagrams visualize use cases, actors and relationships. It describes the relationships between requirements, users, and the the extended use case is at the arrowhead end.