// That is a subject That may be different in Each individual instance of a category non-public int _field; // This is a property that accesses a industry, but as it's visibility // is guarded only subclasses will know concerning this property // (and through it the field) - https://propertyingurugram.in/gurugram-metro-new-company-launched-for-cyber-city-connectivity-rapid-expansion-in-the-pipeline/