11+ Use Case Diagram For Email System. Your system (4) is whatever you are developing. Use cases of users are create mail groups, send emails, receive email, create lables, delete emails.
This use case diagram is a graphic depiction of the interactions among the elements of mailing system. Both beginners and intermediate uml diagrammers will find all the necessary training you represent a system with a rectangle. These requirements are mostly design requirements.
It will for those, who are working software team and roll as a software project specification writter, use case designer, user story maker etc.
11+ Use Case Diagram For Email System. The diagram consists of the system, the related use cases and actors and relates these to each other: On a use case diagram, use cases are associated (3) with the actors that perform them. Or it might be a complete application; The next aspect of use case diagrams are actors.