Nothing there is no difference to them at all
The choices can be found elsewhere and as follows:
A) emotional impact
<span>B) aesthetic appeal </span>
<span>C) light and shadow
</span>
I believe the correct answer is option A. The <span>aspect of baroque art that was best employed by the Counter-Reformation of the Roman Catholic Church would be the emotional impact.</span>
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.