virtual class

Noun

 * 1)  A nested inner class whose functions and member variables can be overridden and redefined by subclasses of an outer class.
 * 2)  An online class.
 * 3)  A hypothesized new social and economic class exploiting and advocating digital technology; a digital elite.
 * 1)  A hypothesized new social and economic class exploiting and advocating digital technology; a digital elite.