LOWER_WIDGET
     Places the widget at the bottom of a viewing stack.  This prevents the
     window associated with the widget from obscuring any sibling windows.
  Syntax
     LOWER_WIDGET (widget)
  Parameters
     widget               The widget instance you want DECTPU to lower.
  Comments
     The specified widget must be a subclass of WindowObjClass.
  Related Topics
     CREATE_WIDGET   DELETE           MANAGE_WIDGET   MAP
     RAISE_WIDGET    REALIZE_WIDGET
     SET(MAPPED_WHEN_MANAGED)         UNMANAGE_WIDGET
     UNMAP