| DisplayName | ID | Base Class | Abstract | Hosted | Singleton | Group | Extension | Accessibility |
| Réviseur | System.Reviewer | System.SupportingItem | False | False | False | False | False | Public |
| Activité | System.WorkItem.Activity | System.WorkItem | True | False | False | False | False | Public |
| Activité automatisée | System.WorkItem.Activity.AutomatedActivity | System.WorkItem.Activity | True | False | False | False | False | Public |
| Activité Conteneur | System.WorkItem.Activity.ContainerActivity | System.WorkItem.Activity | True | False | False | False | False | Public |
| Activité dépendante | System.WorkItem.Activity.DependentActivity | System.WorkItem.Activity | False | False | False | False | False | Public |
| Activité manuelle | System.WorkItem.Activity.ManualActivity | System.WorkItem.Activity | False | False | False | False | False | Public |
| Activité parallèle | System.WorkItem.Activity.ParallelActivity | System.WorkItem.Activity.ContainerActivity | False | False | False | False | False | Public |
| Activité de vérification | System.WorkItem.Activity.ReviewActivity | System.WorkItem.Activity | False | False | False | False | False | Public |
| Activité séquentielle | System.WorkItem.Activity.SequentialActivity | System.WorkItem.Activity.ContainerActivity | False | False | False | False | False | Public |