A first region is defined within the body representing a region of one or more of a pattern, an indicia, a graphic, and {HEAD ~ an image} that is visible by {TAIL ~ light extraction} when illuminated by light propagating within the film in a waveguide condition 
is visible by
A first region is defined within the body representing a region of one or more of a pattern , an indicia , a graphic , and { HEAD ~ an image } that is visible by { TAIL ~ light extraction } when illuminated by light propagating within the film in a waveguide condition
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH