Dongle – encrypted physical hardware lock, very similar to a USB flash drive which contains the product licenses.

WIBU-KEY drivers – drivers for the dongle.

Render Node – machine that is doing the actual rendering.

Distributed Rendering – dividing frames to buckets and rendering them on different render nodes by using V-Ray DR spawner, V-Ray Standalone or a V-Ray RT render server.

Network Rendering  rendering whole frames on each render node, for example by submitting jobs to job managers like Backburner.

V-Ray DR spawner a V-Ray tool used to start V-Ray stand-alone in server mode for Distributed Rendering.

V-Ray SDK a V-Ray Software Development Kit used for creation of custom materials and geometry.