Software delelopment enviroments - Rational Unified Process-RUP - Workflows

The RUP uses four elements to describe processes:
Workers – describe a role, some people have many roles.
Activities – small, definable, reusable tasks that can be allocated to a single worker.
Artifacts – usually process deliverables, like: use cases, code, plans, test cases, test results.
Workflows – coordinated sequences of activities.
and some other elements