// That is a field Which may be different in Every occasion of a category personal int _field; // This can be a property that accesses a discipline, but because it's visibility // is guarded only subclasses will know about this property // (and through it the field) - https://propertyingurugram.in/shapoorji-pallonjis-joyville-to-invest-rs-400-crore-in-housing-project-at-gurugram/