---
title: "Common Abbreviations"
canonical: "https://documentation.chaos.com/space/CRC4D/124623406/Common%20Abbreviations"
format: markdown
---
This page provides information on the commonly used abbreviations in Corona for Cinema 4D.


### Overview

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<span style="color: #374151">Abbreviations are often used in technical writing to improve readability and simplify technical language. The article lists commonly used abbreviations and provides brief explanations of their meanings.</span>


### **Abbreviations and Explanations**

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| **Abbreviation** | **Explanation** |
| --- | --- |
| **AA** | [Anti-Aliasing](https://support.chaos.com/hc/en-us/articles/4528349909009-How-to-control-antialiasing-in-Corona-for-Cinema-4D-) |
| **CIE** | [Corona Image Editor](https://docs-chaos.atlassian.net/wiki/spaces/CRC4D/pages/124623833) |
| **CXR** | [Corona EXR](https://docs-chaos.atlassian.net/wiki/spaces/CRC4D/pages/124623833) |
| **GI** | [Global Illumination](https://support.chaos.com/hc/en-us/articles/4528324185489) |
| **GI vs AA** | [Global Illumination versus Anti-Aliasing](https://support.chaos.com/hc/en-us/articles/4528324185489) |
| **HC** | [Highlight Compression](https://support.chaos.com/hc/en-us/articles/4528340042385-What-is-highlight-clamping-in-Corona-for-Cinema-4D-) |
| **HDRI** | [High Dynamic Range Image](https://en.wikipedia.org/wiki/Multi-exposure_HDR_capture) |
| **IOR** | [Index of Refraction](https://en.wikipedia.org/wiki/Refractive_index) |
| **IR** | [Interactive Rendering](https://docs-chaos.atlassian.net/wiki/spaces/CRC4D/pages/124492467) |
| **LSM** | [Light Samples Multiplier](https://support.chaos.com/hc/en-us/articles/4528298049169) |
| **LUT** | [Lookup Table](https://en.wikipedia.org/wiki/Lookup_table) |
| **MSI** | [Max Sample Intensity](https://support.chaos.com/hc/en-us/articles/4528507399441) |
| **N** | Render Node, Render Node License |
| **PT** | [Path Tracing](https://support.chaos.com/hc/en-us/articles/4528466626065) |
| **RN** | Render Node, Render Node License |
| **SSS** | [Sub-Surface Scattering](https://support.chaos.com/hc/en-us/articles/4528475664145-How-to-use-Subsurface-Scattering-SSS-Materials-C4D) |
| **Sub** | Subscription |
| **UHD Cache** | [Ultra HD Cache](https://support.chaos.com/hc/en-us/articles/4528607789585-How-to-use-UHD-Cache-in-Corona-for-C4D-) |
| **VFB** | [Virtual Frame Buffer](https://docs-chaos.atlassian.net/wiki/spaces/CRC4D/pages/125308375) |
| **WS** | Workstation or Workstation License |