Targets and thresholds · The variation band · Element

The false alarms

How often the organisation reacted to noise.

The part

What it is

Recorded retrospectively: how many past reactions turned out to be responses to ordinary variation.

The count is usually high enough to justify the band by itself.

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.