Deliverability · The cost to keep · Element
The margin impact
What keeping the promise does to contribution.
The part
What it is
The promise should earn its cost through price, retention or acquisition. Where it does none of the three, it is a commitment the organisation is subsidising without having decided to.
Some promises are worth subsidising. That is a decision rather than an accident, and it needs the number to be made.
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.