The plan · The horizon · Element
The themes
What is planned only as a subject area.
The part
What it is
Beyond the provisional window, only themes and fixed moments are worth recording. Detail at this range is discarded.
Themes tied to the journey gaps rather than to internal interest is what keeps the far horizon useful.
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.
The other elements in the horizon
The firm window
How far ahead the plan is committed.
LearnThe provisional
What is planned but changeable.
Learn