In the two paragraphs, the object and author of the book are placed above and below respectively, the former is the upper paragraph and the latter is the lower paragraph. The preceding paragraph shall specify the name, source and recipient's name of the work.
When designing the layout of calligraphy works, we should consider the position of inscriptions. If the book is a couplet, the first paragraph must be written in the upper part and the second paragraph in the lower part; Other works are generally written on the left. If they sign in two lines, the first paragraph is written at the front and the next paragraph is written at the back. If you sign a single line, the previous paragraph is written in the upper part and the next paragraph is written in the lower part to show politeness. Neither single paragraph nor double paragraph can be flush with the text. It should be uneven, so it won't be flat. Generally, there should be a few words in the upper and lower positions, and the signatures should be as close as possible.
Polite terms or honorifics mentioned in the preceding paragraph: Shu Ya, Shang Ya, Yaping, Yajian, Yajiao, Yacun, Zhencun, Huicun, Qingjian, Cymbidium, Qingpin, Qingshu, Shang Qing, Zheng Qing, Qing Ji, Qingjiao, swordsman, Jian Zheng, knocking Zheng, Cheng Wai, giving Zheng, axe Zheng and Zheng Qing.