Why domain names and what is a URL then?

Domain names are an easy way to remember where a website is at. If we did not use domain names, then we would have to us numbers. Each computer on the internet has is assigned an address, this address known as an IP address is unique to that computer during that connection to the internet. Remembering www.name.com is easier than trying to remember 192.55.183.10. A URL (Uniform Resource Locator) is really nothing more that the domain name or location of the website. http://www.tomshardware.com would be a URL. It much like your address for your house, 123 There Street is easy to find than lot 314, plot 12, zone D.