The phrase "light signature" refers to the unique pattern or combination of light emitted or reflected by an object or a source of light. Full definition
Base models feature projector - beam headlamps, while high - intensity - discharge headlamps and front vertical LED light signatures are included on all collections above the standard model. (cheersandgears.com)
It includes new lighting signature in headlamps and tail lights. (carwale.com)
The bottom section houses a new, distinctive lighting signature comprising five lighting elements. (topspeed.com)