A developing area is a place where things are created or developed. The term can refer to a physical space, such as a WOMB, darkroom, or X-ray lab, all of which are used to create or develop something. A WOMB is a place where a baby is formed and grows before birth. A darkroom is a room that is kept dark to process photographic film and paper. An X-ray lab is a laboratory where X-rays are used to diagnose and treat medical conditions.