Ballet is a form of performance DANCE that originated in the Italian Renaissance courts of the 15th century and later developed into a concert DANCE form in France and Russia. The term 'ballet' refers to the art form itself, as well as the costumes, music, and choreography associated with it. The CORPS of a ballet company is the group of dancers who perform together. DANCE is the physical expression of the art form, which includes movements of the body and arms. PAS are specific sequences of steps and movements that make up a ballet routine. GISELLE is a famous ballet about a peasant girl who dies of a broken heart after discovering her lover's betrayal. AGON is a type of ballet where two or more dancers compete against each other. RUSSE is a style of ballet that originated in Russia and is characterized by its athleticism and technical precision. TIPDANCING is a type of ballet that combines elements of classical ballet with modern DANCE.