What is the relationship between language and literature ?

language is spoken, literature is written

language is the foundation of the literature, literature is a performance of beauty of the language

language is belong to literature

language is human and non-instinctive method of communicating ideas, feelings and desires by means of system of sounds and sound symbols.－语言

literature is (the writing or study of)books, etc valued as works of art (drama, fiction, essays, poetry, biography, contrasted with technical books and journalism).－文化