Closing · The record · Element
The comparison
Estimated against actual.
The part
What it is
Duration and effort, both. They diverge, since a project can take twice as long and the same effort if it was waiting.
With the original estimate rather than the most recently revised one, which is the version that gets remembered.
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.