A light show is a type of entertainment that uses light to create an immersive visual experience. The term 'light show' can refer to a variety of different types of displays, including LASER shows. In this crossword, the solutions for the term 'light show' are 'LASER' (5 letters) and 'LASERBEAM' (9 letters). A LASER is a device that emits a beam of light that is highly focused and coherent, while a laserbeam is a beam of light emitted from a LASER. Both of these terms are commonly used in light shows.