Reason for being · The laddering record · Element

Discarded lines

Chains that were followed and abandoned, with the reason.

The part

What it is

These are the record of what the organisation decided it was not, which is a different and often more useful statement than what it decided it was.

When a purpose is later questioned, the discarded lines usually contain the alternative being proposed.

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.