The seal mainly
1 seal, used for calligraphy and painting.
Leisure chapters are used to decorate paintings and calligraphy, mostly in large blank areas to match the picture.
3 Appreciate the seal of the collection, and the connoisseur will stamp the items he has seen.
4 book stamps, similar to book tickets.
Zhai, the name given by the painter to his painting and calligraphy room.