Glossary

activity diagram

A diagram that shows the flow from activity to activity; activity diagrams can be used to illustrate a use case’s flow of events.

actor

An actor defines a role that a user can play when interacting with the system. A user can either be an individual or another system. Actors have a name and a brief description, and they are associated to the use cases with which they interact.

alternative flow

Description of variant or optional behavior as part of a flow of events. Alternative flows are defined relative to the use case’s basic flow.

ambassador user

A user seconded to a project who is responsible for bringing knowledge of the user community into the project team and disseminating information from the team back to the rest of ...

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