| Name | Kind | Description |
| Cache | component | |
| cinelerra3 | package | |
| Clip | class | |
| clips | relation | |
| codegen | package | This package is used to organize code generation by BOUML. It is considered useless after having generated the initial code skelleton. |
| Codegen Deployment | deployment view | |
| CommonLib | package | |
| complete Render Engine | activity object | |
| configure | operation | |
| configure Render | activity | |
| configure Tools | opaque activity action | |
| ConManager | class | |
| connect | opaque activity action | |
| Constraint | class | |
| Controller | component | |
| Controller | package | |
| Controller Entities | class diagram | |
| Controller Workings | class view | |
| ControllerFacade | class | |
| create ProcNode | opaque activity action | |
| currFrame | relation |