an upward extension of enclosed space created by carrying a setback vertical, wall (typically glazed) up and through the roof slope Two intersecting shed roofs on different planes (See Figure 1 )
uppermost storey of a church above the nave aisle roof, the area is pierced by a series of window openings to allow daylight to enter the main body of the building
A row of windows in a horizontal area of a wall In many Christian churches, a clerestory placed in the wall above the side aisle is used to illuminate the nave