You are in The Observatory.
Ground you have walked is named. The rest is drawn but unnamed — it is waiting, not missing, and nothing is required of you to find it.
Every realm is named here, and its rooms fold open beneath it. The mark beside a name says which ground you have already walked.
Every door stays where you left it. Esc folds the map.
A named open platform for meeting by video. A named tool rather than a concept.
no historical meaning recorded yet
A named open tool for meeting by video, chosen so that a meeting need not depend on any one closed door to happen.