Meaning: This sentence states that the doll pays attention to what the girl says in a calm and composed manner.
Choice of Words: The words "doll", "listens", "patiently" are all common words that are easy for English learners to understand. The word "doll" refers to a toy figure of a person or animal, "listens" means to pay attention to what someone is saying, and "patiently" means in a calm and composed manner.