# Lighting reference

This section contains lists and descriptions of properties that relate to lights and lighting features in the High Definition Render Pipeline (HDRP).

| Page | Description |
| - | - |
|[Light component reference](reference-light-component.md)|Properties in the Light component.|
|[Lighting environment reference](reference-lighting-environment.md)|Properties in the Environment (HDRP) section of the [Lighting window](https://docs.unity3d.com/Manual/lighting-window.html).|
|[Ambient Occlusion reference](reference-ambient-occlusion.md)|Properties in the Ambient Occlusion volume override.|
|[IES Importer reference](IES-Importer.md)|Properties in the Inspector that appear when you add an [IES profile](IES-Profile.md) to your project.|
|[Volumetric lighting reference](reference-volumetric-lighting.md)|Properties in each volumetric lighting override.|
|[Exposure volume override reference](reference-override-exposure.md)|Properties in the Exposure volume override.|
|[Shadows volume override reference](reference-shadows-volume-override.md)|Properties in the Shadows volume override.|
|[Contact shadows override reference](reference-contact-shadows-override.md)|Properties in the Contact shadows volume override.|
|[Reflection probe reference](Reflection-Probe.md)|Properties in the Reflection probe component.|
|[Planar Reflection Probe reference](Planar-Reflection-Probe.md)|Properties in the Planar Reflection probe component.|
|[Ray tracing reference](reference-ray-tracing.md)|Properties that relate to ray tracing.|