(Pinyin: Zi) are the first-class standard Chinese characters (commonly used characters).
this word first appeared in inscriptions on bronze in Shang dynasty, and its ancient glyph is like giving birth to a child (son) in a house.
The original meaning of the word "Zi" refers to giving birth to a child, and it is extended to raising, and it is also extended to a woman's engagement. In ancient times, pictographic characters were called "Wen", and the characters bred on the basis of pictographic characters were called "Zi".
hereinafter referred to as words, and extended to things written in words, such as fonts, calligraphy works, letters, notes, etc. "Zi" also refers to people's aliases, which is generally related to the meaning of words used in names.