Switches between the entries on the right side and the tags and categories on the left side
Selects the last or the next entry
Initiate a search with the corresponding character in the search field (so just start writing in the main window and the search will begin automatically...)
Switches to the search field
Open/launch the current selected entry
If something is currently entered in the search field, the ESC key removes the value in the search field. If nothing is entered in the search field, the ESC key closes the main window.