What is the relationship between "signifier" and "signified"?

The so-called "signifier" is the form of symbol, that is, the form of symbol: "signified" is the content of symbol, that is, symbol can refer to the thoughts and feelings conveyed, or "meaning". For example, the phonetic form of "worm" in Chinese can mean "worm", which is a kind of sound that can be perceived by hearing, and its meaning refers to insects. The form and meaning of "worm" are combined into the symbol of "worm" in Chinese, which is used to express the realistic phenomenon of "worm" in the objective world. It can be said that a symbol is a binary relationship between signifier and signified, that is, form and content, and it is an "inseparable unity", just like a silver coin. If the signifier is removed, it is like a meaningless material carrier and cannot exist. Without the signifier, the signifier loses its value of existence and is just a meaningless natural thing.

Composition of symbols