Can someone explain what is a protocol networking in simple terms? or What is a protocol networking a

Wow, thanks everyone! Didn’t expect so many awesome replies. The traffic rules and pizza delivery analogies totally clicked for me.

Gonna check out Wireshark and that HTTPS comic first—looks fun.

Quick follow-up: Why do some protocols (like HTTP) keep changing versions? Is it just upgrades, or is there more to it?

Y’all rock! 🙌