Simulated, immersive living space online.

Simulated computer system within software.

A cave automatic virtual environment (better known by the recursive acronym CAVE) is an immersive virtual reality environment where projectors are directed to between three and six of the walls of a room-sized cube.

(Proxmox VE or PVE) a virtualization platform designed for the provisioning of hyper-converged infrastructure.

Virtual environment software refers to any software, program or system that implements, manages and controls multiple virtual environment instances (self definition).