// This is a subject That may be different in Each individual instance of a category private int _field; // That is a property that accesses a field, but since it's visibility // is protected only subclasses will know concerning this property // (and thru it the sector) - https://propertyingurugram.in/tender-for-gurugram-global-city-project-awarded-work-to-start-in-next-2-months/