2. Etiquette first, music refers to knowledge, shooting refers to shooting in time, skills of riding a carriage, writing refers to knowledge such as writing literacy, and counting refers to rational numbers or luck, including the degree of regularity in the use of methods.
3. There is another explanation: etiquette is divided into five rites:, fierce ceremony, martial ceremony, and. Music refers to six music, and the other four statements are very similar.