The admission of light refers to the process of allowing light to enter a space. Synonyms for admission of light may include terms such as illumination, lighting, brightness, radiance, and luminosity. Other synonyms may be transparency, clarity, or visibility, as these terms can also refer to the amount of light that is present in a space. Natural light sources, such as sunlight or moonlight, may also be referred to as daylighting or skylighting. The use of synonyms for admission of light can add variety and depth to descriptions of lighting in literature, architecture, and other fields.