Meaning: This sentence describes the ability of laughter to create a sense of unity and connection among people.
Choice of Words: Laughter fills, hearts unite is a heartwarming sentence that captures the power of laughter to bring people together. "Laughter" refers to the act of laughing, "fills" suggests it permeates a space or environment, "hearts" represent the emotional center of a person, and "unite" suggests a coming together or forming a bond.