The biography is the story of a person's life. The word comes from a compound Greek term: bios ("life") and graphein ("write"). The term biography can be used in the symbolic sense. For example: "biography of the President shows that she has never experienced such a situation". In this case, the notion of biography is the story of life in general, without material support.
However, most of the time, a biography is a presentation that summarizes the major facts of a person's life. Means also biography literary genre in which these presentations are highlighted.
Biographies start normally with the birth of the subject in question (in general, a celebrity) which may including back to familiar history (family tree, ancestry, etc.). Biographies of which the protagonist is already dead go until the time of his death, while in other cases, the author of the story may choose the time up to which it wants to cover.
As a literary genre, the biography is narrative and Exposition. It is written in the third person, with the exception of the autobiographies (where the protagonist is one who tells the story). Even if it is possible to include subjective assessments of the author and the information about the context under which the life of the protagonist takes place, the basis of the biography are accurate and precise data, such as dates, names and places.
The basic structure of a biography includes the introduction (the character is presented), development (the most important moments of his life are told) and the conclusion (it is the most subjective segment, with an assessment on the transcendence of the character).