Keeping it current · The explanation · Element
The previous version
How the old mission is treated.
The part
What it is
Acknowledged rather than removed. An organisation that behaves as though the previous statement never existed invites the question of what else has been quietly rewritten.
Keeping it visible costs nothing and is unusual enough to be noticed favourably.
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.