universe vs cognitive content

universe and cognitive content both are nouns.

Word	Noun	Adjective	Verb	Adverb
universe	Yes	No	No	No
cognitive content	Yes	No	No	No

As nouns, cognitive content is a hypernym of universe; that is, cognitive content is a word with a broader meaning than universe:

universe: everything stated or assumed in a given discussion
cognitive content: the sum or range of what has been perceived, discovered, or learned

Other hypernyms of universe include content, mental object.

universe (noun)	cognitive content (noun)
everything stated or assumed in a given discussion	the sum or range of what has been perceived, discovered, or learned
(statistics) the entire aggregation of items from which samples can be drawn
everything that exists anywhere