views and knowledge only. The narrator is an imperfect witness by definition, because they do not have a complete overview of events. Furthermore, they may be pursuing some hidden agenda (an "unreliable narrator").

Character weaknesses and faults, such as tardiness, cowardice, or vice, may leave the narrator unintentionally absent or unreliable for certain key events. Specific events may further be colored or obscured by a narrator's background since non-omniscient characters must by definition