Wu Collection, Middle Volume Radical: Arrow (shì) Kangxi Strokes: 10 Page 824, Entry 11 Pronounced ju. Denotes the principle of a square shape. Book of Erya (Erya): Explained as norm. Commentary: Explains that measuring a square has a fixed standard. Jade Chapters (Yupian): Points out that a circular shape is called a compass, and a square shape is called a carpenter's square. Book of Rites (Liji): Once the compass and square are firmly established, one cannot falsify square or circular shapes. Book of Former Han (Qian Hanshu): The square is a tool used to make instruments square, preventing their shapes from losing accuracy. Guanzi (Guanzi): The mind produces the compass, the compass produces the square, and the square produces the square shape. Also, Book of Erya (Erya): Explained as law. Analects of Confucius (Lunyu): To not overstep the rules and regulations. Book of Former Han (Qian Hanshu): Liu Bi was enfeoffed in the Wu region, and his territory exceeded the legal standards. Note: The square refers to legal systems. Also, Revised Rhymes (Zengyun): Refers to behavioral norms or sharp edges. Also, Rites of Zhou (Zhouli): Regarding the methods of carving wheel hubs, one must always mark their yin and yang sides. Note: The square refers to marking signs. Also, Yangzi's Great Mystery (Taixuanjing): The way of heaven forms the compass, the way of earth forms the square; the compass moves and circles through everything, the square is still and stabilizes all things. Lu Chui's Stone Pillar Inscription: Creating models is based on the square of the earth below. Note: Refers to the earth. Also, Arithmetical Classic of the Gnomon and the Circular Paths of Heaven (Zhoubi Suanjing): Wisdom comes from the hook, and the hook comes from the square. Note: The square is called the gnomon; the gnomon is fixed and immovable, and also becomes the hook; the hook must be calibrated, therefore it is said the hook comes from the square. Also, compass and square are names for a barbarian tribe. Bamboo Annals of Zhou (Jizhong Zhoushu): The compass-square is a type of unicorn, belonging to the category of beasts. Also, used as a loan character for the character meaning a plant (yǔ). Rites of Zhou (Zhouli): When the wheelwright makes wheels, one can use a compass to rectify them or a square to rectify them. Also, used as a loan character for the character meaning a hook (gōu). Zhuangzi (Zhuangzi): Those who wear square-toed shoes know the terrain. Explanation of Graphs and Analysis of Characters (Shuowen Jiezi): The original character is written with a large component and a work component, resembling the shape of a hand holding a tool. A variant form is written with a wood component and an arrow component, with the arrow symbolizing its straightness without deviation. Six Writings and Their Rectifications (Liushu Zhenge): The large component with the work component, with the center resembling a square, is also a compound ideograph.