I think you will be surprised at how simple this really is. What you are looking at right now is a home page for this particular lesson. All of the Information on the World Wide Web is presented through home pages. In fact, there are millions of home pages on the World Wide Web, but you can only access them if you know their address.
Every home page has a unique address.
Right, your street address tells exactly where you live. An example of an IP address is 172.17.1.27. In fact, that is the IP address for RoseNet. The unique address is a set of numbers called an IP address. The computer translates the domain name into the IP address of a home page.