English usually refers to:
English is a West Germanic language that was first spoken in early medieval England and is now a global lingua franca. Named after the Angles, one of the Germanic tribes that migrated to England, it ultimately derives its name from the Anglia (Angeln) peninsula in the Baltic Sea. It is closely related to the Frisian languages, but its vocabulary has been significantly influenced by other Germanic languages, particularly Norse (a North Germanic language), as well as by Latin and French.
Language is a system that consists of the development, acquisition, maintenance and use of complex systems of communication, particularly the human ability to do so; and a language is any specific example of such a system.
Literature, most generically, is any body of written works. More restrictively, literature writing is considered to be an art form, or any single writing deemed to have artistic or intellectual value, often due to deploying language in ways that differ from ordinary usage.
Literature is an avenue to glory, ever open for those ingenious men who are deprived of honours or of wealth.
Isaac D'Israeli, [The Literary Character, Illustrated by the History of Men of Genius (1795-1822), Chapter XXIV.
Oft on the dappled turf at ease
I sit, and play with similes,
Loose type of things through all degrees.
William Wordsworth, To the Daisy.
We cultivate literature on a little oat-meal.
Sydney Smith, Lady Holland's Memoir (1855), Volume I, p. 23.