What exactly is Zhuge Liang's Eight Arrays?

Mainly Sun Tzu's art of war, this book seems to advocate "heart to heart", and some people calculate divination. There was gossip in the emperor's era, and it reached its peak and became more perfect in Zhuge Liang's era.

The legend of Eight Arrays is an array method created by Zhuge Liang in the Three Kingdoms period. Legend has it that when Zhuge Liang defended the enemy, he piled stones into a stone array. According to A, there are eight doors: life, injury, rest, supervision, scenery, death, earthquake and opening, which have changed a lot and can stop 100 thousand elite soldiers.

According to ancient records: "Eight arrays are like eight diagrams to locate, taking wells and land as shapes, and the discipline of soldiers is also. Wuhou's interpretation is wonderful. "