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A foundation wall which encloses a usable area under a building.

A stairway connecting the basement or cellar with the level of the living area.

A house whose rooms are mainly located above ground level but whose entrance, from the exterior, is at ground level

In urban planning, a map indicating the significant existing physical features of an area, i.e., streets, rivers, parks, railroads, etc.,

A surveyed line which has been established with more than usual care, and to which surveys are referred for coordination