What is the primary responsibility of a costume designer in theater?

The primary responsibility of a costume designer in theater is to design and manage the wardrobe for actors. This role involves researching and conceptualizing clothing that reflects the characters' personalities, the time period, and the overall aesthetic of the production. The costume designer works closely with the director and other designers to ensure that the costumes contribute to the storytelling and help convey the mood and theme of the performance. This includes selecting fabrics, colors, and styles that enhance the visual aspects of the play, as well as fitting the costumes to the actors to ensure comfort and mobility during performances.

Costumes are essential for establishing character identity and can significantly influence the audience's perception and understanding of the narrative. In contrast, the other responsibilities listed in the options pertain to the roles of other specialists in theater production. For example, creating set decorations pertains to a set designer, managing lighting effects is the responsibility of a lighting designer, and coordinating sound effects falls under the purview of a sound designer. Each area requires distinct skills and knowledge, highlighting the collaborative nature of theater production.