Defn 2
universe
ˈjuːnɪvəːs/
noun
1.
all existing matter and space considered as a whole; the cosmos. The universe is believed to be at least 10 billion light years in diameter and contains a vast number of galaxies; it has been expanding since its creation in the Big Bang about 13 billion years ago.
synonyms: cosmos, macrocosm, totality, whole world, Creation, (outer) space, the heavens, the firmament; More
2.
a particular sphere of activity or experience.
"the front parlour was the hub of her universe"
synonyms: province, world, sphere, preserve, domain, circle, milieu, territory, quarter
"the ROM chip clearly belongs to the universe of hardware"