Verbal system · The naming rules · Element
The checks
What must be verified before a name is used.
The part
What it is
Trademark availability in the relevant territories, domain and handle availability, meaning in the languages the organisation operates in, and internal collision.
Doing these after launch is expensive; doing them as a routine step costs an hour.
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.