Look at the pictures and guess the idioms. There are two heads, one is a word and the other is a knife.

The original meaning is to describe that everything is organized. It also means that what is said is reasonable, and everything is right.

Extension 1, originally a Buddhist term, refers to Tao everywhere. 2. The head is the Tao, which means that after enlightenment, everything you say and do coincides with the Tao. The latter refers to being very organized in speaking and doing things.