Selection texts are texts which are used to replace technical field names on selection-screen with custom names.In real-time business no business user(end user) can understand technical names, they just uses the applications for the business, when ever we print a input field on selection-screen, we get technical field names by default.
PARAMETERS : P_MTART TYPE MARA-MTART. "material type inputThe above code will generate below screen
But we need to replace P_MTART with our custom name, follow the below steps to change technical name.Go to Program Source,Select Goto-Text Elements-Selectin Texts
Replace question mark with your custome text.
In the same way you can replace radio button text, selection-options text, parameters text etc.