Editor | (TermT) | Term | Browser
(FM) | Term | Browser | etc.
(where pipe delimits a pane and parens are the active pane), if you go "next desktop" from "TermT" (the terminal at /tmp), that moves you down the stack of desktops. Moving up the stack of desktops returns with focus on "TermT". You'd then go "left pane" from "TermT" to get back to the editor. Editor | (TermT), Term | Browser
(FM) | Term | Browser | etc.
where the terms stack vertically in the ribbon of the desktop.
Now, if the random crashing were fixed, that would make a real difference for me...