How do I restore my browser toolbar?

Hi, which bar or bars are missing? * Optional top menu bar (File, Edit, View), see: [[Restore the Menu bar in Firefox]] * Bookmarks Toolbar below the address bar, see: [[Bookmarks Toolbar - Display your favorite websites at the top of the Firefox window]] * All toolbars - could Firefox be in full screen mode? See: [[Use Firefox in Full Screen mode]] * Specific items on the main toolbar - please describe in more detail