What's the name of the seal?

There are many names of seals, not less than a dozen, mainly including: seal, treasure, seal, book, map, seal, note and seal.

In ancient times, seals were generally called seals. After the Qin Dynasty unified China, only the seal of the Emperor was called seal, and the rest were called seal. In the Han dynasty, governors called it Feng, generals called it Feng, and others called it Feng. Later, in the Qing Dynasty, the emperor's seal was called Xi, and it was changed to Bao. The seal above the prince is called treasure, the official below the county king is called seal, and the private seal is called seal.