Universe

The universe is the topmost list box and contains everything else. There are also smaller universes found deeper down, inside universes.

Found Inside
Universes are found as the first generated listbox. Multiple universes can be found inside each multiverse. A single universe can also be found inside every white hole.

Contains
Each universe contains several superclusters.

Naming
All universes are simply called "universe", even those found inside unusual multiverses.

Trivia

 * There is a special case universe called "consolation universe".