No problem! Here are the revised statements:
1) A narrator can be external to the story and talk about events they have not taken part in.
2) A third-person narrator refers to the characters using the third-person voice.
3) A character can be flat or round.
4) A flat character can be easily recognized since they are based on a single psychological trait.
5) On the contrary, a round character...
6) The poet uses the description of human beings as "dingy shaped" to refer to alienation.
7) The wind was bodiless. It had no body or feet to bind it.
8) The wind's fingers produce a music similar to the trembling sound blown into the glass.
9) The wind quickly tapped at her door and left her alone again.
10) In this poem, there are two important figures of speech: a simile and a metaphor.