Buffers · The consumption · Element
The progress
How far the work has come.
The part
What it is
The comparison is what makes the drawdown meaningful. Buffer consumption alone says nothing without it.
Measured on something observable rather than on a percentage estimate, which tends to sit at ninety for a long time.
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.