I wouldn't be so bold as to name the purpose of art, but I think one thing that unifies its many forms is the desire to distill the chaos of existence, in all its wonder and tragedy, into a single, unified image of beauty. (relevantmagazine.com)
Viewed from afar, these squares appear as a single, unified image which attempt photo - reality, albeit in pixelated form. (en.wikipedia.org)
Think about how you might place the images together, what unifies the images and how you might crop them. (nationalgalleries.org)