The sentence

The assembled statement, in its agreed wording.

The part

What it is

Held fixed and quoted rather than paraphrased. Paraphrase is how a position becomes three positions.

It is not written to be attractive, which is worth saying explicitly to anyone reviewing it for the first time.

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.

Positioning statement
The agreed sentence, held fixed.
Statement shared type
Approved by
Who signed it off, since it settles arguments on their behalf.
Person shared type
Effective
When it applies from.
Date shared type