Costume design is a vital aspect of visual storytelling in film and theatre, where it helps to establish character, setting, and mood. Designers create costumes that reflect the time period, personality, and social status of characters, enhancing the audience's understanding of the narrative. In addition to aesthetics, costume design involves practical considerations such as movement and comfort for performers. Designers often collaborate with directors and other creative team members to ensure that costumes align with the overall vision of the production, making it an essential part of the artistic process.