Ridge: The ridge is the highest point on your roof. On a sloped roof, it's the highest point.
Eaves: The lower edges of the roof that overhang the home's outer walls are known as the eaves. In the diagram above, an eave on the opposite side of the house is also in the same location.
Gable: The Gable is the A-shaped side wall of the house that forms the roof's pinnacle. The home shown above features two gables, one on each end.
Rake: The section of the roof that finishes over a gable end is known as the rake.