A theater spotlight is a powerful lighting instrument used in live performances to highlight specific actors or scenes on stage. It creates a focused beam of light, allowing the audience to see important moments clearly while dimming the surrounding areas. This technique helps to direct attention and enhance the emotional impact of a performance. Spotlights can be adjusted for intensity, color, and angle, making them versatile tools in theater production. They are often operated by a lighting technician who works closely with the director to ensure that the lighting complements the overall vision of the show.