Reading the signal · The verbatim sample · Element
The observations
What the reading produced that the counts did not.
The part
What it is
Recorded, since the value of the exercise is otherwise invisible and it is dropped in the first busy month.
Frequently a specific phrase repeated by several customers, which is more useful than the category it was coded into.
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.