When you begin entering text in the URL input field at the top of the screen to search the web or access a web address, suggestions appear below the address bar. Each address suggestion displays one of the following icons:
The Search icon appears next to searches.
The Bookmark icon appears next to bookmarked sites.
The History icon appears next to sites from your browsing history.
The Globe icon appears next to related sites.
You can set the default search engine for the address bar by tapping (or pressing) the Menu Key > Settings > Search engine.