1, the word describes a wide range of knowledge and omniscience. Knowing astronomy from above, geography from below, harmony between people, yin and yang, gossip, mystery, hidden armor, strategizing, winning thousands of miles away, comparing himself to a saint of Guanzhong Le Yi, sitting on his knees in a crisis, smiling and romantic, and before leaving the country, he set up the sky for three points.
2. Source: "Dunhuang Bianwen Zhang Wu Zixu Bianwen": "Wu Zixu, a sage of Wu, knows astronomy, geography and martial arts."