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
Challenge square dance of the limited number of dancers and callers, the higher the level the fewer clubs there will be. There are only a few cities that have clubs, with a live caller, dancing higher than C1 on a weekly basis. Dancers who are interested in learning or dancing a particular Challenge level often form private groups and dance using recordings. In addition to local clubs, in many places there are events organized to offer Challenge dancing to the dancers of a larger geographic area on a less-frequent basis (e.g., monthly). These often feature callers from other areas. Some general square dance