I see now that i missed part of the set-up process. I did not go to the form itself and move the boxes.
I am now trying to overlay the corner and bar-code boxes over a scanned blank form. The bar-code box positioning seems straightforward but I am not sure how to get the corner boxed lined up correctly. do I make sure each box surrounds each line (horizontal/ vertical) or do I make sure one of the edges of each box lines up with the horizontal / vertical line on the form?