Segment value · The ranking · Element
The ratio
Lifetime value against acquisition cost, per segment.
The part
What it is
A single figure that makes segments comparable. Below one the segment loses money; the conventional threshold for healthy is around three.
It should be read alongside the payback period, since a good ratio with a four-year payback is a cash problem.
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.