A task results in the creation, modification, or evaluation of a version of one or more work products. Full details are to be found in books in the Addison-Wesley OPEN series. The OPF defines an activity as a major work unit that produces a related set of work products. Activities in OPEN are coarse granular descriptions of what needs to be done. The Activities identified at this high level for OPEN are, in many senses, fairly traditional.
Stages thus provide a macro-level organization to the process.
There are various kinds of stages, which we will explore in detail in a couple of months' time. These include, but are not limited to, various cycles such as lifecycles and delivery cycles, phases, work unit enactments and milestones. He is a member of the pUML research group. He is a frequent, invited speaker at international OT conferences. This website is copyrighted by Object-Z, Systems Inc.