Quick wins · Selection criteria · Element

The tests

The conditions a candidate has to satisfy.

The part

What it is

Four is the working set: it lands early, it is unambiguous, it is attributable to the effort, and it moves the goal.

Writing them down before looking at candidates is what stops them being adjusted to admit a favourite.

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.