Sequence · The external items · Element
The lead time
How long it takes and how reliably.
The part
What it is
From experience rather than from what was quoted. The variability matters as much as the average, since a plan built on the average is late half the time.
The upper end is what the plan should use for anything on the critical path.
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.
The other elements in the external items
The items
What the project depends on externally.
LearnThe contact
Who to ask and what to do when it is late.
Learn