It is anything that is printed, as long as it is related to the ideas and feelings of people, whether it is true or just a product of one's imagination. It is derived from the Latin term litera, which means letter.

It is a literary composition usually deals with the subject from a personal point of view.

It is a narrative involving one or more characters, one plot, and a single impression / event.

It a chronological record of significant events (such as those affecting a nation or institution) often including an explanation of their causes.

It is the aggregate of social and cultural conditions that influence the life of an individual or community.

It is an ordinary form of writing/language without following rules.

it is the art, theory, or structure of poems.

It is a passage (a section of text) selected from a larger work.

It is a cumulative  deposit of knowledge, experience, beliefs, values, attitudes, meanings, hierarchies, religion, notions of time, roles, spatial relations, concepts of the universe, and material objects and possessions acquired by a group of people in the course of generations through individual and group striving.

It is a poem that is set to music.