1. For opening dimension, dimension window / exterior door opening / interior partition locations from the outside face of studs to the center of the openings / interior partitions. 2. For exterior wall dimension, dimension each wall location from the outside of stud face to the outside of stud face. 3. For interior wall dimension, dimension each wall location from the outside of stud face to the center of the wall, and from the center of the wall to the center of another interior wall. 4. For overall dimension, dimension overall wall locations from the outside of stud face to outside of stud face. 5. Dimension interior walls to structural elements including columns or existing walls. 6. Give angle or radius/diameter where necessary. 7. Dimension built-in furniture/cabinetry.