Answer:the main photograph is of a characteristic component, consequently that its not man-made. the state of the principal photograph is more geographic then the subsequent photograph.
the subsequent photograph is of a side walk, a man-made item. the state of the subsequent photograph is of a square, a square that was man-made.
the first photo is of a natural element, hence that its nit man-made. the shape of the first photo is more geographic then the second photo.
the second photo is of a side walk, a man-made object. the shape of the second photo is of a square, a square that was man-made, had to be put in place.
In this example of a woodblock print, the registration points, or chosen locations that ensure the colors align correctly, were likely placed in the corners by the artist.