In source code-based development objects (like ABAP classes, ABAP interfaces, ABAP programs, and ABAP function groups), you can display the definition and documentation of many ABAP code elements in a code element info popup.
These are for example:
This enables you to obtain further details directly at the position where you are in the source code – without navigating to the referenced object.
A code element information popup will be opened that displays the following information: