Double-paragraph: Double-paragraph refers to placing the added object of calligraphy and the writer above and below respectively, with the former as the upper paragraph and the latter as the lower paragraph. The name, source and the name of the donee of the work shall be stated in the preceding paragraph. The next paragraph describes the date, place and author's name of creation.
Single segment: Single segment can be divided into long segment, short segment and difference segment. A long paragraph is to write the time, name and place in the text, plus the author's feelings or reasons for creating this work. Generally used to supplement the rules.
Short paragraphs only include the source, time, name and place of the text; Generally speaking, the lettering used for inscriptions is official script, regular script is not official script, and cursive script is not regular script. If there is not enough paper and too little space, you can only write the author's name. This kind of signature is called "poor money".
The significance of calligraphy inscription
First, the signature is a supplement and perfection to the text. There is only one paragraph of text, which is written by people who don't know why and when, so that people can't see the complete information of the work. If there is a signature, people will know it at a glance.
Second, the work after signing is a responsible practice. No matter who wrote the work, no matter what the writing level is, people can identify and compare it after signing, especially for some collectors, who determine the authenticity of the work by signing.
Third, the inscription is also a sign to test the level of a calligrapher. Because the inscription contains a lot of common sense of calligraphy, such as literary accomplishment, printing knowledge, the writing level of money and so on. These are matters that some experts value, and they are also important inspection contents to identify calligraphers' calligraphy level.
Refer to the above content: China's calligraphy works format and signature details-Baidu Encyclopedia