| Copyright 2005 Most projects are composed of | | | | milestone the next starts. |
| multiple steps, and often these steps are | | | | In the real world there are many activities which |
| performed by more than one person. In the art | | | | interact in different ways. For instance, there are |
| science of scheduling for project management, | | | | "independent" activities which can run |
| these steps are called activities. | | | | simultaneously and apart from each other. |
| When an activity is completed, it is said to have | | | | However they almost always come together at a |
| attained its milestone. One might simplistically think | | | | certain point, that is to say they share a common |
| of a project as a succession of activities which, | | | | milestone. The shared milestone could be the |
| laid end-to-end, eventually complete the project. | | | | project endpoint, or it could also be a waystation |
| But when is life ever that simple? Projects are | | | | along the path to completion. |
| rarely so linear that when one activity reaches its | | | | |