Keeping it current · The triggers · Element
The fallback
The interval when no event has fired.
The part
What it is
Two or three years is proportionate. Annual review of a mission produces small edits that accumulate into a drift nobody decided on.
The fallback exists so that a stable organisation still checks occasionally rather than never.
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.