where is Safari's website data stored?

Hello. I have seen some users of this forum asking this question, and the answer is "LocalStorage" (~/Library>Safari>LocalStorage). But Local Storage has just a few items compared to all the websites that are listed in Safari's Manage Website Data. So the complete data must be stored in another place.

Can you tell me where in my computer is this place, or is it confidential so we don't play with this information?

I have macOS 12.2.1 and Safari 15.3

Thanks!