What does a gobo do in stage lighting?

A gobo, short for "go between," is a device used in stage lighting to create patterns or images that can be projected onto a performance surface, such as a stage or backdrop. Typically made from metal or glass, gobos are placed in front of a light source, like a spotlight, to shape the light into distinct designs, such as trees, clouds, or abstract shapes, enhancing the visual storytelling of a performance.

This capability allows lighting designers to add depth, texture, and mood to the scene, effectively transforming the visual composition of the stage. The use of gobos can significantly influence the atmosphere of a production, making them essential tools in professional stagecraft and lighting design.

The other answer choices relate to different aspects of lighting but do not accurately describe the primary function of a gobo. For instance, dimmers adjust the intensity of light, filters manage glare and diffusion, and color changes are typically achieved using gels or colored lenses rather than a gobo.