What does a sun or a moon with a face symbolize?

What do suns with faces or moons with faces like those in the links below symbolize?
http://cgi.ebay.com/Large-Sun-Face-Wind-Chimes-With-Metal-Bells-New_W0QQitemZ310127461039QQcmdZViewItemQQptZOutdoor_Decor?hash=item310127461039&_trksid=p3286.c0.m14&_trkparms=72%3A1240%7C66%3A2%7C65%3A12%7C39%3A1%7C240%3A1318%7C301%3A1%7C293%3A1%7C294%3A50
http://cgi.ebay.com/LARGE-SOLID-BRASS-SUN-FACE-SUNDIAL-WITH-COMPASS_W0QQitemZ360137000197QQcmdZViewItemQQptZOutdoor_Decor?hash=item360137000197&_trksid=p3286.c0.m14&_trkparms=72%3A1240%7C66%3A2%7C65%3A12%7C39%3A1%7C240%3A1318%7C301%3A0%7C293%3A1%7C294%3A50
http://cgi.ebay.com/FOOT-LONG-MOON-FACE-with-COPPER-ACCENTS-Terra-Cotta-BIG_W0QQitemZ400032809380QQcmdZViewItemQQptZLH_DefaultDomain_0?_trksid=p3286.m20.l1116
I am doing research on these to see if they symbolize anything. Thanx!

“The Sun was worshipped as a personified, life-giving deity in Babylonian, Egyptian, Greek, Roman, and other major civilizations [...]