The address bar is at the very top of the browser, where the web address of the current page appears. In Internet Explorer, it looks like this. If you type something in the form of a web address, the browser will take you there.
In a web browser, the address bar (also location bar or URL bar) is a GUI widget that shows the current URL. The user can type a URL into the bar to navigate to a chosen website; in most modern browsers, non-URLs are automatically sent to a search engine.
The search bar is used when you either don't know the exact address of a site you are looking for, or when you would like to find multiple sites on a single topic. When you use the search box you will be given a list of websites that the search engine feels best meets the criteria of your search.
