SSL/TLS (Secure Sockets Layer/Transport Layer Security): Imagine you're sending a letter to a friend in another city. You write the letter, put it in an envelope with your friend's address, and drop it in a mailbox. Networking in the digital world works similarly, but instead of letters, we're sending data, and instead of mailboxes and post offices, we use computers and servers connected through cables and wireless signals.

HTTP (Hypertext Transfer Protocol): This is like the standard way of addressing and sending letters