Reason for being · The refusal test · Element
Contested cases
Decisions where the purpose was cited on both sides.
The part
What it is
When two people reach opposite conclusions from the same sentence, the sentence is ambiguous. The contested case is where that shows up.
These are the most useful input to the next revision, because they point at the exact words that are not doing their job.
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.