Understanding use · The observation · Element

The sessions

Who was watched and doing what.

The part

What it is

Real users attempting a real task, not a demonstration. The task should be stated as a goal rather than as steps.

Including people who are not fluent, since experienced users have adapted around the problems.

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.