Lesson 3 taught you how to use the Screen Painter. You learned that a screen is an arrangement of graphical elements that appear in a window. Graphical elements include things like radio buttons, push buttons, text fields, and check boxes.
You learned that graphical elements have attributes. Attributes include things like the name of the element and the position of the element on the screen.
This lesson taught you how to refine a screen by adding boxes and labels to different areas of a screen. Finally, you learned how to use the Screen Painter to view a prototype of your new interface.
In the Next Lesson...
Screens and menus make up the graphical user interface (GUI) for an ABAP application. In lesson 4 you learn how to create menus.