China's Painting and Calligraphy Mounting Style. The center of the painting is vertical and short, and there are a pair of wooden lintels with the same size at the left and right ends, namely two ears.
Different from Yu Mei's comments, a form of annotation and correction of book texts and compositions includes reading experience, comments, typographical errors, proofreading, phonetic notation, etc. Due to the reform of Chinese writing form, the original straight book has been changed into a horizontal book. This kind of annotated and corrected text is generally written on the side of the horizontal book, which is called side batch, also known as horizontal batch.