(i) A "dwelling" is any building or structure or portion thereof which
is occupied in whole or in part as the home, residence or sleeping place
for one or two families;
  (ii)  A  "multiple  dwelling"  shall  mean any dwelling which is to be
occupied by or is occupied as the residence or home  of  three  or  more
families living independently of each other;
  (iii) A "multiple dwelling unit" shall mean that portion of a multiple
dwelling  occupied  by  one  or more persons as the residence or home of
such persons; and
  (iv) "Premises" shall mean land and improvements or  appurtenances  or
any part thereof.