15 Use Case Diagram Alternate Flow. Use cases are not meant to depict things like repeat, return. An extending use case is, effectively, an alternate course of the base use case.
They contain just the essential information that helps outline the following: An introduction to use cases. A use case diagram is helpful because it allows you to design a system from the perspective of the end user.
I wrote user stories, use case diagram, use case narrative or project specification by following ieee standard also against requirement.
15 Use Case Diagram Alternate Flow. Defining and organizing functional requirements in a system. It provides you with information as to the in use case diagrams, this users external to the system are represented by actors. Use case diagram is a sub class of behavioral diagrams which shows how a system interacts with the external entities. Then they show the people, organizations, or other systems that interact with it;