Whats the definition of a primary and secondary source

Answer 1

Main Entry: primary source

Part of Speech: n

Definition: an original fundamental and authoritative document pertaining to an event or subject of inquiry; a firsthand or eyewitness account of an event

Main Entry: secondary source

Part of Speech: n

Definition: any document that describes an event, person, place, or thing, usu. not created contemporaneously

Example: A biography is a secondary source and an autobiography is a primary source.