The first Cape Cod houses fall into four categories: the quarter, half, three-quarter, and full Cape. The comparatively rare quarter cape is a single bay, usually a wider "outside" bay that would become rooms. It has a single door and a single window on the front, but is full depth. The half Cape is two bays, with a door to one side of the house and two windows on one side of the door; the three-quarter Cape has a door with two windows on one side and a single window on the other, while the full Cape consists of a front door in the center of the home, flanked on each side by two windows. Otherwise, the three categories of early Cape Cod houses were nearly identical in layout. Inside the front door, a central staircase led to the small upper level, which consisted of two children's bedrooms. The lower floor consisted of a hall for daily living (including cooking, dining, and gathering) and the parlor, or master bedroom.