screen_loc = "x:x-pixeloffset,y:y-pixeloffset and x:x-pixeloffset,y:y-pixeloffset and ..."
And so on. This could also be combined with boxes. So an example would be:
screen_loc = "4:16,7 and 6:12,3:12 and 10,10 to 12,12"
This could seriously help in decreasing the number of HUD objects needed in some places.