Modern western square dance dance, like traditional square dance, is directed by a "caller". In modern western square dance the caller strings together a sequence of individual "square dance calls" to make a figure or sequence. These calls are the building blocks of the choreography that is danced by the individuals – square dancers – in the squares. There are eight people (four pairs of males and females, traditionally) in each square; at a dance there may be many squares. Generally speaking, each of these squares dances independently of each other, with the exception of specialty or "gimmick" dances, where there might be some
Modern western square dance dance callers, and are usually sponsored or organized by square dance clubs. In addition to sponsoring classes, clubs also sponsor special social and dance evenings, as well as larger dances, which are usually open to the general square dance community (i.e. non-club dancers). The individual calls are categorized as belonging to a particular dance program, or level of difficulty. Each dance program has a list of defined dance steps, which is associated with it. These lists of dance steps are managed, and universally recognized. Callerlab, the International Association of Square Dance Callers, the largest international square dance association, manages the