header: A title block that appears above the panel of a popup menu and displays the menu label of the popup menu specification's root template. This label typically describes the menu's origin or purpose. Menu bars and cascade menus do not have headers.
Help bar: A bar that appears at the bottom of the G2 window to display Help labels as the user selects menu entries.
Help label: A label that provides information intended to help the user understand what a menu entry does.
highlightable icon: A GMS icon that can change colors depending on the selection status of the menu entry that contains the icon.