--- title: "Common Abbreviations" canonical: "https://documentation.chaos.com/space/CRMAX/124657419/Common%20Abbreviations" format: markdown --- This page provides information on the commonly used abbreviations in Chaos Corona. ## **Overview** --- 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. ## **Abbreviations and Explanations** --- | **Abbreviation** | **Explanation** | | --- | --- | | **AA** | [Anti-Aliasing](https://support.chaos.com/hc/en-us/articles/4528507265809) | | **CIE** | [Corona Image Editor](https://docs-chaos.atlassian.net/wiki/spaces/CRMAX/pages/124625367) | | **CXR** | [Corona EXR](https://docs-chaos.atlassian.net/wiki/spaces/CRMAX/pages/124393716) | | **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/4528473738641) | | **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/CRMAX/pages/125309285) | | **LSM** | [Light Samples Multiplier](https://support.chaos.com/hc/en-us/articles/4528298049169) | | **LUT** | [Lookup Table](https://support.chaos.com/hc/en-us/articles/4528475285521) | | **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/4528498501137) | | **Sub** | Subscription | | **UHD Cache** | [Ultra HD Cache](https://support.chaos.com/hc/en-us/articles/4528617365649) | | **VFB** | [Virtual Frame Buffer](https://docs-chaos.atlassian.net/wiki/spaces/CRMAX/pages/125082327) | | **WS** | Workstation or Workstation License |