Sequence · The external items · Element
The contact
Who to ask and what to do when it is late.
The part
What it is
A named person on the other side, approached before the item is needed rather than when it is overdue.
And an escalation route, since chasing a late external item through the same channel repeatedly rarely changes anything.
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 lead time
How long it takes and how reliably.
Learn