The Metaverse is a 3 dimensional, virtua-reality space, in which users can interact in a simulated environment with other users. It is created by the convergence of all virtually enchaned realtites, physically persistent virtual spaces, the sum of all virtual worlds, augmented realties and The Internet. Also, its size can be up to 10^11^1111 light-years.
The Metaverse cointains Multiverses.