Use Case Diagram Explanation Pdf. A use case instance use case a collection of related success and failure scenarios describing actors using the system to. An actor is an entity that initiates the use case from outside the scope of a use case.
After receiving an acknowledgement the client asks the server if there is any new email. A very big language. Use case descriptions actors something with a behavior or role e g a person another system organization.
The name of an actor or a use case must be meaningful and relevant to the system.
Uses for uml 11 as a sketch. But use case diagram never describes how they are implemented. A use case instance use case a collection of related success and failure scenarios describing actors using the system to. Uses for uml 11 as a sketch.
