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
Traditional square dance standards for traditional square dancing, each caller decides which basic movements and dance figures he or she will use. There are regional variations in how dancers execute the basic movements, usually having to do with hand or arm position. The same dance figure may have different names in different regions; the same name may refer to different dance figures, or even (in the case of "do-si-do") different basic movements. This lack of standardization does not present a problem to the dancers, because at least one of two conditions is always true: either the caller walks the dancers through the figures