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.
The other elements in the variation band
The band
The range within which movement is not news.
LearnThe signal rule
What counts as a real change.
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