The number four (四) is a confusing example of a "symbol". It is not self-explanatory at all, and it shares its history with the character that has later become

The number four (四) is a confusing example of a "symbol". It is not self-explanatory at all, and it shares its history with the character that has later become 呬. https://en.wiktionary.org/wiki/四#Glyph_origin https://en.wiktionary.org/wiki/四#Glyph_origin