Instrument creating a lien or encumbrance on 1 or more PropertiesPropertiesMultifamily residential property securing the Mortgage Loan and including the land (or Leasehold interest in land), Improvements, and personal property (as defined in the Uniform Commercial Code). and securing the obligations under the Loan DocumentsLoan DocumentsAll documents evidencing, securing, or guaranteeing the debt obligation executed for a Mortgage Loan and approved by Fannie Mae. .