One identity · The failure rate · Element

The misses

How often a known customer is not recognised.

The part

What it is

Producing a customer who has been with you for years being treated as a stranger, which is the everyday version of the failure.

Measurable by comparing matched interactions against known customer activity.

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.