Acting on it · The outcome · Element
The actual
What happened.
The part
What it is
Measured after enough time for the effect to appear, using the same measure the prediction used.
With the confounders that were present, since other things changed too.
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.