The cadence · The rhythm · Element
The change record
When the cadence changed and why.
The part
What it is
Cadence changes are noticed by regular readers, and an announced reduction is received quite differently from a silent one.
A record of repeated reductions is a signal about capacity that is worth acting on.
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.