A narrative is a form of discourse that may employ the use of chronological and spatial dimensions to elaborate upon events and characters that undertake certain actions and assume consequences in a plotline which usually has a setting, a problem to be solved, and a conclusion or resolution.
An autobiography is the recounting, in a narrative form, of one´s own life following the characteristics mentioned above.
Personification. The author is treating the river like a person. When an object/animal/thing is talked about like a human being, then it is personification
