URL
From Wikislippy
URL (U R Lost) is the whatcha-ma-call-it that tells you what web site you are at. URL can also translate to Uniform Resource Locator. An example of a url is http://freewebs.com/mississlippy
Address Bar
URLs are typically entered into the URL, address, or location bar of a web browser. Address bars vary in appearance depending on the web browser displayed in.