Dialogue in literature refers to the written conversation between characters in a story. It serves to reveal their personalities, emotions, and relationships, making the narrative more engaging. Through dialogue, authors can convey important information and advance the plot without lengthy exposition. Effective dialogue often mimics real speech, incorporating natural rhythms and variations in tone. It can also reflect the setting and cultural context of the characters, enhancing the reader's understanding of the story's world. Well-crafted dialogue can create tension, humor, or intimacy, making it a vital tool for writers in developing their narratives.