The world is the exclusive concept of the East Asian nation to the universe. Literally, it means "all over the world", which is not limited by geography, time and space. However, it also has different usages to describe a certain geographical concept. The world It is a word whose context can be continuously expanded. The concept of the world, accompanied by a certain principle of order, is like one's own world view with boundless desires.

In ancient times, it refers to all the land within the scope of China; The whole country.

Records of the Five Emperors: "If there are things that go wrong in the world, the Yellow Emperor will levy them, and those who are flat will go there and cross the mountain passage, and they will never live in peace." Back to the 18th chapter of the History of the Eastern Zhou Dynasty: "At that time, the six countries learned and merged in Qin, and the world was unified." Ming Huang Daozhou's "Biography of yuangong (Yuan Keli)": "When Dingling is calm, the world will be ruled by Taoism. In forty or fifty years, you will stay in the wild and complain about it."