| A | C | T |
| adDefault | adImplied | |
| adFixed | adRequired |
| cqOnce | ctAny | ctMixed |
| cqOnceOrMore | ctChildren | ctName |
| cqZeroOrMore | ctChoice | ctSeq |
| cqZeroOrOnce | ctEmpty | ctUndeclared |
| TAttrDefault | TCPType | TElementDecl |
| TAttributeDef | TDTDModel | TEntityDecl |
| TContentParticle | TDTDObject | TNotationDecl |
| TCPQuant | TElementContentType |