| Name | Kind | Description |
| refPoint | class instance | |
| reg | operation | registers an asset object in the internal DB, providing its unique key |
| registry | relation | @internal Table or DB holding all registered asset instances. |
| relativeplacement | artifact | Placement implemnetaion providing various ways of attaching a MObject to another one |
| RelativePlacement | class | |
| RelType | class | the possible kinds of RelativePlacements |
| relType | attribute | the kind of relation denoted by this Placement |
| remove | operation | remove the given asset <i>together with all its dependants</i> from the internal DB |
| Render Entities | class diagram | |
| Render Request | activity parameter | |
| RenderEngine | class | |
| renderengine | artifact | a complete network of processing nodes usable for rendering |
| RenderEngine | package | |
| Renderengine Use | use case view | |
| RenderPathManager | component | |
| renderSegments | relation | |
| RenderState | class | Encapsulates the logic used to get a "current render process" in accordance to the currentyl applicable controller settings. The provided StateProxy serves to hold any mutalbe state used in the render process, so the rest of the render engine can be stateless. |
| renderstate | artifact | renderengine state manager |
| repr | attribute | human readable representation of the condition characterizing this allocaton, e.g. "t >= 10" |
| resolve | operation | create an actual (explicit) placement while trying to satisfy the network of adjacent objects and placements. |
| rootCause | operation | If this exception was caused by a chain of further exceptions, return the first one registered in this throw sequence. This works only, if every exceptions thrown as a consequence of another exception is propperly constructed by passing the original exception to the constructor |