---
title: "Glossary"
canonical: "https://documentation.chaos.com/space/VNS/115605826/Glossary"
format: markdown
---
This page provides a glossary of terms used with V-Ray.


**Dongle** – An 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** – A 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 Standalone in server mode for Distributed Rendering.

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