THE INTERNET

The Internet: How Messages Travel in a Digital World You’ve probably never thought about it, but every time you browse a website, send a message, or watch a video online, tiny digital “travelers” are racing across the globe to make it happen. Let’s take a journey to understand how the internet really works—not as code or protocols, but as a living, moving system. The Internet Is a Digital Highway Imagine the world as a massive city, with roads connecting every house, office, and shop. These roads are the internet’s networks, connecting computers, phones, servers, and smart devices. When you click a link or open an app, it’s like sending a delivery truck onto these highways. The truck carries information—your request for a website, a video, or a message—to its destination. Addresses and Names: Finding Your Way Every device in this city has an address—called an IP address. Without it, your delivery truck would never know where to go. Humans, however, don’t remember numbers well. That’s w