// That is a subject Which may be diverse in each instance of a category personal int _field; // This can be a property that accesses a subject, but because it's visibility // is guarded only subclasses will know about this property // (and through it the field) - https://propertyingurugram.in/signatureglobal-india-to-invest-rs-50-60-crore-to-develop-20-acres-land-parcels-in-gurugram/