// This is the field that might be various in each instance of a category non-public int _field; // This is the property that accesses a discipline, but as it's visibility // is protected only subclasses will know relating to this property // (and thru it the field) - https://propertyingurugram.in/m3m-india-set-to-lease-1-5-mn-sqft-of-commercial-space-in-fy25/