Capture commonalities between actors while keeping separate roles apart.
Characteristics: Very common. Basic.
Keywords: Common role, different roles, generalization of actors, overlapping actors, several users of a use case.
Multiple Actors: Distinct Roles pattern consists of one use case and (at least) two actors.
This pattern is used when the two actors play different roles toward the use case; that is, they interact differently with the use case.
In an alternative pattern, the two ...