Description
An Architecture Description is a work product used to express the Architecture of some System Of Interest.
It provides executive-level summary information about the architecture description in a consistent form to allow quick reference and comparison between architecture descriptions -- It includes assumptions, constraints, and limitations that may affect high-level decisions relating to an architecture-based work program.
Architecture Framework
UAF 1.2, DoDAF 2.0, MODAF, NAF, NAF 4.0
Extension
UML Package