House plans with interior columns typically have an open floor plan. The columns provide distinction and visual separation without closing off spaces with walls. While the open space is desirable and makes the floor plan appear more spacious, it is also nice to separate the rooms into defined living spaces. Interior columns are a great way to provide division in an open floor plan without closing off rooms. Interior columns may be decorative additions or may serve as load bearing supports. A supporting column allows more openness than a load bearing wall.