Logic, grammar, rhetoric, mathematics, geometry, astronomy, and music are known as the "Seven Arts". The ancient Greek philosopher Plato classified the subjects into It is divided into two categories: primary and advanced. The primary subjects of physical education include games and several sports; the primary subjects of music include not only music and dance in a narrow sense, but also cultural subjects such as reading, writing, and arithmetic. The advanced subjects mainly include arithmetic and geometry. , music theory and astronomy.