"Tong" is a standard secondary word in modern Chinese. The earliest form of this word can be found in the Biography of Shuowen. Originally meant to be horizontal, it was later extended to a flat beach by the water. It can also be used to express the meaning of clear water and thin mud.

Ting is a phonetic word, water (chrysanthemum) means meaning, and the shape of seal script is like a stream, indicating that Ting is at the water's edge; Ding is like a vertical object, with a pointed end on one side and a flat head on the other. There is a short meaning. Ting is a small flat land near the water. After the official reform, write regular script. Originally meant to be horizontal, it was later extended to a flat beach by the water. It can also be used to express the meaning of clear water and thin mud.