The term 1920s look is often associated with the Art Deco movement, which was popular during the 1920s and 1930s. The term Deco, which is a four letter word, is a shortened version of the word Decorative, which is an important part of the Art Deco style. This style was characterized by its use of bold geometric shapes, bright colors, and lavish ornamentation. It was used in architecture, interior design, fashion, and other areas of design.