Lighting is used to create atmosphere and focus attention on certain areas of the stage. There are different types of lanterns like profile spotlights, fresnel spotlights, and floodlights that provide various lighting effects. Safety equipment like safety chains and clamps must be used when hanging lanterns. Gels, gobos, and other special effects can alter the color and quality of light to set the mood. Lighting boards are used to control the various lights through preset cues.