Milestones · The go / no-go record · Element

The basis

What the decision was made on.

The part

What it is

Recording the basis is what allows a later reviewer to separate a bad decision from a reasonable decision made on incomplete information.

Where a criterion was unmet and the project continued anyway, this is where that shows.

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.