Method · The assumptions · Element
The consequences
What happens to the conclusion if an assumption fails.
The part
What it is
Some failures bias the result in a known direction, which allows the finding to be read as an upper or lower bound.
Others invalidate it entirely, and knowing which is which is what makes the analysis usable under uncertainty.
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.