AMOSi:Menu Line
an example can be found on AMOSPro_Tutorial:Tutorials/Menus/Menus_6.AMOS
Displays your menu items in the form of a horizontal line stretching from the top left hand corner of the first menu item to the bottom right of the last one.
Menu Line level
Displays the current level as a line
Menu Line(a,b,..)
Displays individual elements of a sub-menu as a line.