The fallback plan · The lead time · Element
The shortening
What could be done in advance to reduce it.
The part
What it is
Pre-agreeing a contract, holding a conversation with the alternative supplier, keeping an option open at small cost.
A small standing cost frequently converts an unusable fallback into a usable one.
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 lead time
The preparation
What has to happen before the fallback can start.
LearnThe total
How long from decision to running.
Learn