While a chronicle is the historical narration of events in chronological order, a biography is the narration of the discourse of a life, and a hagiography, that of the life of a saint (from Gr. hagios, saint).
While a chronicle is the historical narration of events in chronological order, a biography is the narration of the discourse of a life, and a hagiography, that of the life of a saint (from Gr. hagios, saint).