there is nothing like the JAWS cursor in NVDA, but you can navigate
through the windows using the object cursor. With Numpad-0+4 or -6 you
can navigate between the objects. With Numpad-0+2 or 8 you can change
Additionally there is the screen viewer (Numpad-0+7). Once activated,
you can navigate line by line with numpad-4 and numpad-6. You can switch
back to object navigation by pressing Numpad-0+1.