Rites: etiquette (that is, today's moral education) five rites: auspicious ceremony, fierce ceremony, military ceremony, guest ceremony and Jia ceremony. Music: refers to music, poetry, dance, etc. Six kinds of music: Cloud Gate, Daxian, Dashao, Daxia, Daxie and Dawu. "Dance" belongs to music education. Students dance spoons at the age of thirteen, elephants at the age of fifteen and summer dances at the age of twenty. Spoon, elephant and summer are all names of dance. Spoon is a kind of literary dance, which uses light objects such as bare hands or feathers. Elephant, mansion, martial arts, etc. They are all martial arts dances, which refer to holding weapons such as shields and swords, stabbing and other actions, symbolizing the battle plot. Shooting: archery skills five shots: white arrow, joint, stroke, ruler, well instrument. White arrow, the arrow penetrates the target and the arrow is white, indicating that the arrow is accurate and powerful; Join the company, put a vector in front, and the last three vectors go away one after another. If the beads are in the same position, the vectors belong to each other; Note that it is the disease of vector line; A ruler, I shoot with you, I stand side by side with you, and let you back a foot; Good instrument, four vectors are consistent, all hit the target. Yu: The five skills of driving a carriage are: singing Luan, chasing water songs, crossing the monarch's table, dancing across the road and chasing birds on the left. Zhou Li Local Officials and Bao's: "This is the six arts of teaching ... four words and five controls." Zheng Xuan's note: "Five controls: singing and falling in love, chasing water, crossing the princess table, dancing and crossing the street, chasing birds to the left." It means that when driving, the corresponding sound is Luan; The car galloped with a curved bank without falling into the water; After the son of heaven appeared, there was etiquette; Free driving through the waterway; When hunting, the chasing animals were shot from the left. Books: six books of calligraphy (writing, literacy and writing): pictographs, signifiers, knowing words, pictographs, phonetic symbols, annotation words and borrowing words. (Note: seal script and borrowing are literacy methods, while pictographic characters, ideographic characters, knowing characters and pictophonetic characters are word-making methods, of which pictophonetic characters account for about 90%. Number: algorithm (counting) Nine subjects of mathematical art: square field, chestnut cloth, difference, width less, quotient power, even loss, surplus, equation, Pythagorean; Nine numbers is the multiplication table, which is the mathematics textbook of ancient schools.