What is the name of the seal printed on the front of a calligraphy work?

The previous chapter is called leisure article. Refers to seals other than engraving names, holes, officials and library seals. It evolved from the seal of auspicious words in Qin and Han Dynasties. In addition to carving auspicious words, poems, aphorisms and self-discipline words are often carved. Artists who are good at seal cutting and calligraphy and painting generally have many seals. These many seals, except the name and font size, are collectively called "idle printing" in Indian studies.