Recently I read a book that often mentions client code. how can I understand the meaning of this term?

Recently I read a book that often mentions client code. how can I understand the meaning of this term? recently I read a book that is very good and often mentions the term "client code. It seems that the first person is writing server code. My understanding is that, for example, the core code of the entire framework is the server code, and the various controllers accessed when users directly browse are the client code, I don't know if this is correct. recently I read a book that often mentions client code. how can I understand the meaning of this term?
I have read a book recently and it is a good book. I often mention the term "entire client code.
It seems that the first person is writing server code.
My understanding is that, for example, the core code of the entire framework is the server code, and the various controllers accessed by users during direct browsing are the client code. I don't know if this understanding is correct. Share: More