| radius | Diagrams.Core.Envelope, Diagrams.Core |
| RAnnot | Diagrams.Core.Types, Diagrams.Core.Compile |
| rawSub | Diagrams.Core.Types, Diagrams.Core |
| rayTraceP | Diagrams.Core.Trace, Diagrams.Core |
| rayTraceV | Diagrams.Core.Trace, Diagrams.Core |
| reflectThrough | Diagrams.Core.Points |
| relative | Diagrams.Core.Points, Diagrams.Core |
| relative2 | Diagrams.Core.Points |
| relative3 | Diagrams.Core.Points |
| rememberAs | Diagrams.Core.Types, Diagrams.Core |
| REmpty | Diagrams.Core.Types, Diagrams.Core.Compile |
| Render | Diagrams.Core.Types, Diagrams.Core |
| render | Diagrams.Core.Types, Diagrams.Core |
| Renderable | Diagrams.Core.Types, Diagrams.Core |
| renderDia | Diagrams.Core.Compile, Diagrams.Core |
| renderDiaT | Diagrams.Core.Compile, Diagrams.Core |
| renderRTree | Diagrams.Core.Types, Diagrams.Core |
| resetValue | Diagrams.Core.Types, Diagrams.Core |
| Result | Diagrams.Core.Types, Diagrams.Core |
| RNode | Diagrams.Core.Types, Diagrams.Core.Compile |
| RPrim | Diagrams.Core.Types, Diagrams.Core.Compile |
| RStyle | Diagrams.Core.Types, Diagrams.Core.Compile |
| RTree | Diagrams.Core.Types, Diagrams.Core.Compile |
| runQuery | Diagrams.Core.Query, Diagrams.Core |