The record · The expectation · Element
The conditions
What the expectation depended on.
The part
What it is
The assumptions behind the prediction. When the outcome differs, these are what identify whether the judgement or the world was wrong.
Two or three is enough.
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.