What it rules out · The exclusions · Element
The cost
What the exclusions are worth in forgone opportunity.
The part
What it is
A vision that has never cost an attractive opportunity has never been binding, and estimating the cost is what makes it visible.
The number does not need to be precise; it needs to exist so that the exclusion is understood as a choice.
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.
The other elements in the exclusions
The ruled out
What the vision makes it wrong to pursue.
LearnThe boundary cases
The things that are almost excluded.
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