The core of why is it called WINDOWS system32?

Users questions: The core of why is it called WINDOWS system32? Not called other names (such as the system31 or 33)? May be some language not professional, please forgive.
Experts answer:system is the meaning of the original system, this directory is called system now in order to distinguish the original 1 6 system files so they are called system32 is the meaning of 32-bit systems
  • This information provided by the users.Thanks!