What is the difference between a primary actor and a secondary actor in a use case?

Primary actors are external, secondary actors are internal
Primary actors are optional, secondary actors are mandatory
Primary actors are users, secondary actors are system components
Primary actors initiate the use case, while secondary actors assist or support it

In use case terminology, primary actors initiate the use case and interact with the system, while secondary actors assist or support the primary actors in achieving the use case's goals. Understanding this distinction is crucial for accurately modeling and testing use cases.

Add your answer