Reason for being · The purpose statement · Element
Version record
The history of the statement, with what changed and why.
The part
What it is
A purpose that has been rewritten three times tells you something the current version cannot. The record is where that information lives.
It also protects against silent revision — a change that nobody approved but everybody gradually adopted.
The smallest level
The attributes it carries
Each attribute is one of the framework’s shared types. What a date is, and how it is written, is defined once for the whole model — the note here says what it means in this particular place.
Reason for change
Distinguishes a purpose that grew from one that was quietly weakened.
Reason shared type