Character arcs are essential narrative elements that depict a character's journey and transformation throughout a story. They often involve a change in beliefs, personality, or behavior, driven by the character's experiences and challenges. This evolution can lead to a deeper understanding of themselves and their relationships with others, making the story more engaging and relatable. A well-crafted character arc can enhance the emotional impact of a narrative, allowing audiences to connect with the character's struggles and triumphs. Whether it's a hero's journey or a villain's redemption, these arcs provide a framework for storytelling that resonates with viewers and readers alike.