Screen Painter: Initial Screen 
To start the Screen Painter, choose the corresponding pushbutton on the initial screen of the ABAP Workbench or enter Transaction SE51. The initial screen of the Screen Painter appears. Enter a screen number for an existing program. From here, you can:

The Object components text box lists the different screen component views. Each view lets you edit a different aspect of a screen.
If you choose... |
You can... |
Layout Editor |
maintain a screen's layout |
Element list |
Maintain the ABAP Dictionary or program fields for a screen and assign a program field to the OK_CODE field in the Screen Painter. |
Screen attributes |
maintain a screen's attributes |
Flow logic |
edit a screen's flow logic |
Once you are within a particular view, you can use the Screen Painter's Goto menu to enter the other views.