Voice: is the manner in which a story is told so as to connect to readers on an emotional level or the author’s point of view. For example, the author speaks directly in his or her own person or a role or speaks through a persona.
Audience: the people for whom the audience is written. Ways in which authors catered for their audiences.
Purpose: The reason the author wrote the selection. The main goal of a work, which generally is as follows: in fiction – to entertain, tell a story, or convey insight (as in a short story, a movie, a poem); on nonfiction – to describe or explain something (as in an encyclopedia article, a document film) in a media text – to inform or persuade you (as in a newspaper article or editorial, an advertisement).