What is the narrator of a fictional piece who is not a character in the story called

From passage from amy tans rules of the game which statement best explains the motivation for the narrators mother to introduce her daughter to everyone they meet she wants to adhere to the customs of the chinese community, she wants to satisfy people's curosity about her daughter

Which line from beethoven's moonlight sonata is not an example of the author's use of descriptive language to achieve this purpose.

Mario is reading a book where the narrator only describes the point of view of pip, one of the characters. m and feelings. which type of narrator does this describe?