The term BACKDROP THEATRICAL is composed of five crossword solutions: ALPS (4 letters), SCRIM (5 letters), OLEO (4 letters), NILE (4 letters), and ANDES (5 letters). The ALPS are a mountain range in Europe, the SCRIM is a type of fabric used for theatrical backdrops, Oleo is a type of oil, the Nile is a river in Africa, and the ANDES are a mountain range in South America. Together, these five solutions form the term BACKDROP THEATRICAL, which refers to the use of backdrops in theatrical performances.