When you begin entering text in the URL input field at the access the screen to search the web or type in 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
the Menu Key 
 (in the Front Touch Keys bar) > Settings > Search engine.