Horizon and measures · The horizon · Element
The checkpoints
The intermediate points where progress is judged.
The part
What it is
A three-year horizon with no checkpoints produces its first real signal in year three. Intermediate points are what make it correctable.
One a year is the minimum for a long horizon; one a quarter for anything shorter.
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.