The dynamic display 2 or 3, wherein said means for providing {HEAD ~ relative movement} between {TAIL ~ said plurality} of light sources and said viewable layer comprises: 
between
The dynamic display 2 or 3 , wherein said means for providing { HEAD ~ relative movement } between { TAIL ~ said plurality } of light sources and said viewable layer comprises :
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH