Load across the year · The committed load · Element
The tail
The work that continues after delivery.
The part
What it is
Support, correction and embedding. Routinely omitted, and it means the month after a launch is not the free month the plan shows.
A launch in November occupies December, which is where the following year’s planning was supposed to happen.
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.