Definitions for "Virtual classroom"
The online learning space where students and instructors interact in multiple locations via a networked solution.
A distance learning environment in which students and teachers can be physically separated but in contact via a technology supporting remote access like computer networking or video conferencing.
An online location where a course can be experienced. An instructor may lead or facilitate the learning event, while students can merely participate or collaborate with one another. These activities may occur synchronously or asynchronously. Virtualclassroom functionality is similar to that used for conferencing, chat rooms, and other forums in which participants exchange comments or engage in other online interactions.
Keywords:  model, accepted, world, over
an accepted model all over the world