An arch style door features a rounded arch at the top of the door panel, which may be either raised or recessed. Compare with a square style.
A square style door features a straight perimeter frame around the center panel, which may be either raised or recessed. Compare with an arch style.
A slab style door is a flat door without a raised or recessed panel.
A recessed panel door has a flat panel recessed inside the perimeter of a door. Compare to a raised panel door.
A raised panel door features a more decorative center panel that rises in the center. Compare to a recessed panel door.