| DiagramType |
| SuperClass | Class |
| maps to | RDFS Class |
| has a | URN |
| is part of | Ontology |
| consists of | Attribute |
| edited by | DiagramType Editor |
| is class of | Diagram |
| inv maps to a single | Synonym |
| inv maps to multiple | Homonym |
| displayed by | Node |
| displayed by | Explorer |
| is part of | SemTalk Model |