Illumination techniques refer to various methods used to enhance visibility and aesthetics in photography, film, and art. These techniques involve manipulating light sources to create desired effects, such as highlighting subjects, casting shadows, or setting a mood. Common types include natural light, artificial light, and reflectors, each serving different purposes in visual storytelling. In photography, techniques like three-point lighting and backlighting are often employed to achieve depth and dimension. Softboxes and diffusers can soften harsh light, while spotlights focus attention on specific areas. Understanding these techniques allows artists and photographers to effectively convey their intended message through light.