Answer:
An autobiography is a biography that was written by the person it is about.
auto means "self",bio means "life" ,graphy means "writing" .
when you are you are writing an autobiography you are writing a story from yourself.
main points when writing an autobiography .
1-you must be the main character.
2-an event or conflict that changed your view .
3-details.
4-a timeline .
Telling the history of yourself
An autobiography is the story of a persons (usually famous) life written by the subject as opposed to being written by someone else. For example Richard Branson would write his autobiography, but, if someone else wrote it - it would simply be called a biography. or a penology