Vertical or near vertical support of a car's window area or greenhouse
Typical pillar configurations of a first generation Ford Focus sedan (three box), station wagon (two box) and hatchback (two box) from the same model rangeTypical pillar configurations of a sedan (three box) and station wagon (two box) from the same model rangeDiagram of a five-door hatchback (two-box) superimposed over the station wagon (two-box) from the same model range—in this case, both with a D-pillar
The pillars on a car with permanent roof body style (such as four-door sedans) are the vertical or nearly vertical supports of its window area or greenhouse—designated respectively as the A, B, C and (in larger cars such as 4-door station wagons and sport utility vehicles) D-pillar, moving from front to rear, in profile view.
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