Object catalog

The SAF core contains 13 types. This is a maximum vocabulary, not a mandatory checklist for every model.

Object	Startup	Stable business	Enterprise
Actor	Required	Required	Required
Channel	As needed	Required	Required
Service	Required	Required	Required
Process	Optional	Required	Required
Capability	Optional	Required	Required
Information object	Label or object	Required	Required and specialized
System	Required	Required	Required
Component	For independent parts	Required	Required
Interface	Optional	For significant contracts	Required for governed contracts
Integration	Required	Required	Required
Deployment	Simplified	For critical systems	Required for significant instances
Compute resource	Abstract	For critical systems	Required with infrastructure detail
Network segment	Optional	As required	Required with network detail

“Required” means required within the selected scope if that object exists in reality. SAF does not require inventing a channel or integration merely to complete a diagram.

Common description template

Every instance records a stable identifier, name, purpose, state, and information source. Additional characteristics depend on object type and maturity. Ownership is always a relationship to an actor.