// This can be a area that might be various in Every instance of a category personal int _field; // That is a property that accesses a area, but as it's visibility // is shielded only subclasses will know about this property // (and through it the field) - https://propertyingurugram.in/old-vs-new-gurugram-attracting-investments-an-insight-into-citys-exponential-rise-as-premier-retail-hub/