| Name | Kind | Description |
| the render configuration flow | activity diagram | |
| theApp_ | attribute | holds the single instance and triggers initialization |
| Thread | class | We can basically reuse the Thread class design from cinelerra2, Thread becomes a baseclass for all Threads |
| time | attribute | |
| time | artifact | unified representation of a time point, including conversion functions |
| Time | class | denotes a temporal position (time point), based on timeline start. investigate posix.4 realtime timers, wrap these here |
| timeline | node | |
| timeline | relation | |
| Tool | class | Used according to the visitor pattern: each Tool contains the concrete implementation for one task to be done to the various MObject classes |
| tool | package | sourcecode package Tools and Utilities (separate from the main cinelrra binary) |
| tool | artifact | Interface, any tool for processing MObjects |
| ToolFactory | class | |
| toolfactory | artifact | supply of Tool implementations for the Builder |
| Track | class | structural asset holding the configuration of a track in the EDL |
| track | attribute | |
| track | artifact | structural asset holding the configuration of a track in the EDL |
| track | artifact | descriptor for one track in the Session |
| Track | class | |
| tracks | relation | elementary media assets comprising this compound |
| tracks | relation | |
| tracks | relation | |
| Trafo | class | |
| trafo | artifact | transforming processing Node |
| treat | operation | |
| treat | operation | |
| treat | operation | |
| treat | operation | |
| treat | operation | |
| treat | operation | |
| treat | operation | |
| treat | operation | This operation is to be overloaded for the specific MObject subclasses to be treated. |