Definition of Literature by Merriam-Webster
1a(1)
: writings in prose or verse
especially
: writings having excellence of form or expression and expressing ideas of permanent or universal interest
literature stands related to man as science stands to nature — J. H. Newman
(2)
: an example of such writings
what came out, though rarely literature, was always a roaring good story — People
b
: the body of writings on a particular subject
scientific literature
c
: the body of written works produced in a particular language, country, or age
French literature Renaissance literature
d
: printed matter (such as leaflets or circulars)
campaign literature
2
: the production of literary work especially as an occupation
Literature is his profession.
3
: the aggregate of a usually specified type of musical compositions
the Brahms piano literature