Once it has the focus, the browser tree view is navigable with the keyboard, using the up/down arrow keys, page up and page down, home/end, and by using the right arrow key on a parent to expand it, or the left arrow key to collapse a parent.
Whenever a tree row is selected, pressing enter or return will open the source view for the selected symbol in a separate window, indicating the point of definition for that symbol.
|« 8.3. Navigating the Views||Table of Contents||9. Interactive Python Shell »|