Leading indicators · The causal assumption · Element
The evidence
What supports the claim, and how strong that support is.
The part
What it is
Evidence ranges from a controlled test to an impression from last year. Both can justify keeping an indicator; only one justifies relying on it.
Naming the source honestly is more useful than the strength of the evidence itself.
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.