I want to emphasize the importance of three-dimensional space when solely using practical lighting because, as I said, they’re not ideal for fully illuminating an actor like a Fresnel kit or something similar. Read the complete article on Premium Beat.
In photography and cinematography, available light or ambient light refers to any source of light that is not explicitly supplied by the photographer for the purpose of taking photos. The term usually refers to sources of light that are already available naturally (e.g. the sun, moon, lightning) or artificial light already being used (e.g. to light a room). It generally excludes flashes, although arguably flash lighting provided by other photographers shooting simultaneously in the same space could be considered available light. Light sources that affect the scene and are included in the actual frame are called practical light sources, or simply practicals. Read more about lighting on Wikipedia.