What does 1/2″ overlay mean?
In this style of kitchen cabinetry, the drawers and doors cover the frame by ½ inches. In 1/2″ overlay design, the visible part in the frame of cabinets is around 2 inches. This style of construction was very popular in past and some people still prefer it because of the traditional look.
Certainly, this type of construction also saves little material as compared to 1” overlay design.