Control elements are visible parts of the user interface which inform the user about the status of the system and allow him or her to initiate actions and to process R/3 System data.
Classification of the Control Elements
The following types of control elements are distinguished in the SAP GUI:
(input/output fields, field names, short descriptions, tables (input and read-only tables), lists, graphics, texts)
(function keys, pushbuttons with textual or graphical labels)
(menu bar, pull-down menus, function key menu)
(radio buttons, checkboxes, selection lists, etc.)
(scroll bars)
(group box with group heading)
(table control)