| Name | Kind | Description |
| Dataset | class | meta asset describing a collection of control data |
| dataset | artifact | meta asset describing a collection of control data |
| datasrc | relation | The predecessor in a processing pipeline, i.e. a source to get data to be processed |
| DB | class | Implementation of the registry holding all Asset instances known to the Asset Manager subsystem. As of 8/2007 implemented by a hashtable. |
| db | artifact | registry holding known Asset instances. |
| defaults | relation | |
| DefaultsManager | class | |
| DefaultsManager | component | |
| DefaultsRegistry | class | |
| define segment | opaque activity action | |
| descriptor | relation | type of this frame |
| descriptor | relation | |
| design | package | |
| design | package | All things concering the big picture. Not a real code package, rather a container for design drafts, specifications, decisions. |
| detect Channels | use case | |
| determine Render Params | opaque activity action | |
| determine Render Params | expansion region | |
| devnull | class instance | |
| Dispatcher | component | |
| dispatchOp | operation | |
| DoAttach | class | |
| DoRecurse | class |