| 1 | The three expansion stages of early ancient seal character lines . | |
| 2 | Large Seal Script here refers to the Spring and Autumn period of Qin prevailed in the text. | |
| 3 | Seal is divided into Dazhuan and Xiaozhuan, is a Chinese book-an important stage. | |
| 4 | The lesser seal characters are more simplified and standardized compared with the greater. They moved away from pictography and developed into a more balanced and standard style of characters. |