Sunglasses and glasses for those people who want to have WOW experience and minimal lifestyle.
ONE-X-E 1 means everyone should have one pair of classic sunglasses or eyewear, X means changeable each year like the color or new packaging experience since the client have some idea to put some quote in the packaging. E means eyewear in short.
ON-EXE ON-EYE make the X to Y means on your eye and the X to Y missed some part could be idea of less is more.