The owner

Who is responsible for the list remaining current.

The part

What it is

Stakeholder lists are collectively owned and therefore unmaintained. A single name changes that at almost no cost.

The owner does not need to know every stakeholder; they need to run the review when a trigger fires.

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.

Owner
Who maintains it.
Person shared type
Baseline review
The fallback interval when no trigger has fired.
Period shared type
Last reviewed
Which shows whether ownership is real.
Date shared type