REAL ESTATE GLOSSARY # -  A -  B -  C -  D -  E -  F -  G -  H -  I -  J -  K -  L -  M -  N -  O -  P -  Q -  R -  S -  T -  U -  V -  W -  X -  Y -  Z Keen's Cement: An unusually tough and durable gypsum plaster to which aluminum has been added. Used primarily for walls of commercial buildings Key Tenant: For a commercial or office development, the resident who attracts other residents or customers, such as a major chain store in a mall. May gain favorable lease provisions as an incentive to lease space.. Key Lot: A lot adjoining a corner lot at its rear property line with frontage on the secondary street. Also thought of as a strategically located lot, adding to its value. Kickback: Payment made to someone for referral of a customer or business. Unlike a commission, a kickback is made without the customer's knowledge; thus, the referral could have been made without the customer's best interest at heart. Kick Plate: A metal or plastic strip, placed at the lower edge of a door or on a riser of a step to protect it from damage by accidental kicking. Kite Winder: The steps at the curvature of a circular stairway, which are triangular, or kite-shaped. # -  A -  B -  C -  D -  E -  F -  G -  H -  I -  J -  K -  L -  M -  N -  O -  P -  Q -  R -  S -  T -  U -  V -  W -  X -  Y -  Z