The ABAP keyword documentation describes the syntax and meaning of the keywords of the ABAP language and its object-oriented part – ABAP objects.
The ABAP keyword documentation provides you with context-sensitive information for your ABAP source code.
To access the ABAP language help from the source code editor, position your cursor on an ABAP statement for which you need help, and press [F1]. The language help is displayed in a separate window.
To view the entire ABAP keyword documentation, see ABAP - Keyword Documentation.