| No | Word | Definition |
| 1 | Project Management Process Groups | Refers to the five PM Process Groups that describe the project from start to finish. |
| 2 | Knowledge Areas | The sum of knowledge within the profession of project management as instituted by the Project Management Institute (PMI). |
| 3 | Project Management Body of Knowledge (PMBOK) | A guide that recognizes the five process groups and the nine knowledge areas. |