A costume is a set of clothes worn to represent a particular character, theme, or period. Costumes are often used in theater, film, and television to help actors portray their roles. They can also be worn during celebrations like Halloween or Carnival, where people dress up as various characters or creatures. Costumes can vary widely in style, material, and complexity. Some are simple, like a superhero cape, while others can be elaborate, involving intricate designs and accessories. Costumes play a significant role in cultural events, allowing individuals to express creativity and participate in traditions.