| Concept | Documentation |
| Operational Process | An Operational Process captures activity-based operational behavior including scenarios, activity actions, and operational exchange flows, e.g., including information, materials, natural resources, etc. Aliases: UAF::Operational Activity NAF::Logical Activity |
| Conceptual Exchange Type | Specification for any type of conceptual item (energy, material, information, etc.) to be exchanged on Conceptual (Functional Architecture and Logical Architecture) Level. The Conceptual Exchange Type is agnostic to any realization on Physical Level. |
| Operational Item Exchange | Specifies the Operational Item Exchange that is to take place on an Operational Connection. Aliases: UAF::OperationalExchange |
| Operational Exchange Type | Specifies the type of Operational Item Exchange between Operational Context Roles or Operational Processes. |
| characterising | Specifies the fact that an Operational Exchange Type characterises an Operational Item Exchange. |
| Operational Process Usage Exchange | Specifies the fact that an Operational Process has an exchange with another Operational Process in context of an operational process usage. |
| Operational Process Usage | Specifies the fact that an Operational Process is used in context of another Operational Process. Aliases: UAF::OperationalAction |
| characterising | Specifies the fact that an Operational Exchange Type characterises an Operational Process Usage Exchange. |
| deriving from | Specifies the fact that a Conceptual Exchange Type on system level is derived from an Operational Exchange Type. |
| composed of | Specifies the fact that a Conceptual Exchange Type consists of one or more Conceptual Exchange Types. |
| composed of | Specifies the fact that an Operational Domain Kind may consists of zero or more Operational Domain Kinds. |