# Concepts

* [What is Spatial Mapping?](/mixed-reality-docs/lessons/lesson-10/concepts/spatial-mapping.md)
* [What is Scene Understanding? ](/mixed-reality-docs/lessons/lesson-10/concepts/scene-understanding.md)
* [What are SceneQuads? ](/mixed-reality-docs/lessons/lesson-10/concepts/what-is-scenequads.md)
* [How to decide to use Spatial Mapping or Scene Understanding?](/mixed-reality-docs/lessons/lesson-10/concepts/how-to-decide-to-use-spatial-map-or-scene-understanding.md)


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