During the Han Dynasty, the stone tablet sum which was habitually called the sum of seal script was mostly written with the seal script.

两汉时期的碑额多用篆书书写，习惯性的被称为篆额。

youdao

Whether they are recording information or simply creating beautiful forms, calligraphers brushes are used to ink five different styles of script, known as seal , official , cursive , running and regular .

UNESCO: Culture