Voice: is manner in which 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).