apartment building means a residential use building, or the residential use portion of a mixed-use building, other than a townhouse or stacked townhouse containing four or more dwelling units each of which shall have access to above grade common halls, stairs, elevators, and yards;
Office Building (Premises), means a building or premises or part thereof whose sole or principal use is for an office or for office purposes or clerical work. "Office purposes" includes the purpose of administration, clerical work, handling money, telephone, telegraph and computer operation; and "clerical work" includes writing, book-keeping, sorting papers typing, filing, duplicating, punching cards or tapes, machines calculations, drawing of matter for publication and editorial preparation of matter for publication.
Outbuilding means and refer to structures such as (by way of example and not limitation) storage buildings, sheds, greenhouses, gazebos and other Roofed Structures.
heritage building means a Building designated under Part IV of the Ontario Heritage Act, R.S.O. 1990, c. O.18, or any successor legislation, or a Building designated under Part V of the Ontario Heritage Act,
farm building means that part of a bona fide farming operation encompassing barns, silos and other ancillary development to an agricultural use, but excluding a residential use;