What is personalised · The maintenance · Element

The update cost

What a change costs across the variants.

The part

What it is

A copy change applied to one page applies to twelve when the page is personalised twelve ways.

This is why personalisation slows down product change, which is a cost paid by everyone.

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.