Widget["Menu"] represents a menu.
Widget["Panel"] is an empty container widget.
Widget["PasswordField"] represents a password field.
Widget["PopupMenu"] represents a popup menu.
Widget["RadioButton"] represents a radio button.
Widget["Slider"] represents a slider.
Widget["SystemPropertiesPanel"] displays the current system property values of the underlying runtime engine.
Widget["Table"] represents a table.
Widget["TextArea"] represents a text area.
Widget["TextField"] represents a text field.