Understanding use · The analytics · Element
The anomalies
Behaviour that does not make sense.
The part
What it is
Repeated actions, unusual sequences, and people going backwards. Each indicates a mismatch between what the interface offers and what they want.
These are the best candidates for observation, since they are visible in the data and inexplicable from it.
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.