Client vs Server Explained Simply | How the Internet Actually Works What’s the difference between a client and a server, and why does it matter? In this video, I explain client/server architecture using a simple real-life example that makes the concept instantly clear, even if you’re new to tech. You’ll learn how clients (like browsers and mobile apps) send requests, and how servers receive those requests, process logic, access data, and send responses back. We also touch on common server-side l