1. Attention and sparseness. Note: Annotation of words and phrases in the Confucian Classics is also called biography, writing, interpretation, chapter, sentence, etc. Sparse, the annotation of note, is also called righteousness, righteousness and sparseness. Annotation and ellipsis are related to the correctness of words, meaning, pronunciation and correctness of pronunciation, grammar and rhetoric, as well as celebrity affairs, canon, historical facts and so on. The Song people published the notes of the Thirteen Classics of the Han and Tang Dynasties, and the name "Notes" became popular.
2. accounts, records.