The term 'commercial district' refers to an area of a city or town that is primarily devoted to businesses and commerce. Two words that can be used to describe a commercial district are 'RIALTO' (6 letters) and 'STRIP' (5 letters). RIALTO is an Italian word that is used to refer to a marketplace or a business center, while 'STRIP' is a term used to describe a long, narrow area with many businesses located close together.