The competitor set · The review · Element
The triggers
What prompts a review of the set.
The part
What it is
A shift in the loss pattern, a new name appearing in buyer conversations, or a technology change that makes a substitute viable.
The first is the earliest available signal and requires only that loss reasons are being recorded.
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.