| Name | Kind | Description |
| Fixture | activity object | |
| Fixture | component | |
| fixture | relation | |
| Fixture | class | |
| fork activity node | fork activity node | |
| Frame | node | |
| Frame | class | |
| Frame (Stream) Provider | component | |
| FrameProvider | class | Note: just a Placeholder for my design. Cehteh will ceratinly know much better how to organize this |