Actor (UML)

An actor in the Unified Modeling Language (UML) "specifies a role played by a user or any other system that interacts with the subject." "An Actor models a type of role played by an entity that interacts with the subject (e.g., by exchanging signals and data), but which is external to the subject." "Actors may represent roles played by human users, external hardware, or other subjects. ^[1]

2 relations: Unified Modeling Language, Use case.

Unified Modeling Language

The Unified Modeling Language (UML) is a general-purpose, developmental, modeling language in the field of software engineering, that is intended to provide a standard way to visualize the design of a system.

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Use case

In software and systems engineering, a use case is a list of actions or event steps typically defining the interactions between a role (known in the Unified Modeling Language as an actor) and a system to achieve a goal.

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Redirects here:

User role.

References

[1] https://en.wikipedia.org/wiki/Actor_(UML)

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