| TOGAF Enterprise Metamodel | Assumption |
| TOGAF Enterprise Metamodel-Definition | A statement of probable fact that has not been fully validated at this stage, due to external constraints. For example, it may be assumed that an existing application will support a certain set of functional requirements, although those requirements may not yet have been individually validated. |
| TOGAF Enterprise Metamodel-URL | https://pubs.opengroup.org/togaf-standard/architecture-content/chap02.html#tag_02_04 |
| Pure TOGAF Meta Model | |