Punctuation marks are auxiliary symbols and part of written language, which are used to express pause, mood and the nature and function of words.
Punctuation marks include labels and dots.
Extended data:
Types of punctuation marks:
Punctuation marks are divided into two categories: dot and label.
Points indicate pauses of different lengths in spoken language, and labels indicate the nature or function of words in written language. (Note: Special symbols in special fields such as mathematical symbols, currency symbols, collating symbols, dictionary symbols and phonetic symbols are not punctuation marks. )