6.3. NEIGHBORHOOD OVERLAY DISTRICTS
   A.   Generally. The Neighborhood Overlay Districts are hereby established as “overlay” districts, meaning that these districts are overlaid upon other districts and the land so encumbered may be used in a manner permitted in the underlying district only if and to the extent such is also permitted in the applicable overlay district.
   B.   Neighborhood Overlay Districts.
      1.   Winchester Overlay District.
      2.   Concord Avenue Overlay District.