Meaning of universe

u•ni•verse

1. the totality of known or supposed objects and phenomena throughout space; the cosmos; macrocosm.
2. the whole world, esp. with reference to humanity: a truth known throughout the universe.
3. a world or sphere in which something exists or prevails: his private universe.
4. Also calledthe aggregate of all the objects, attributes, and relations assumed or implied in a given discussion.
5. Also calledthe set of all elements under discussion for a given problem.
6. the entire population under study.