> For the complete documentation index, see [llms.txt](https://aliheston.gitbook.io/the-design-of-virtual-and-augmented-reality/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://aliheston.gitbook.io/the-design-of-virtual-and-augmented-reality/the-foundations-of-vr-and-ar.md).

# The Foundations of VR and AR

- [Immersion, Presence, and Engagement](https://aliheston.gitbook.io/the-design-of-virtual-and-augmented-reality/the-foundations-of-vr-and-ar/immersion-presence-and-engagement.md)
- [Designing for Human Embodiment](https://aliheston.gitbook.io/the-design-of-virtual-and-augmented-reality/the-foundations-of-vr-and-ar/designing-for-human-embodiment-and-perception.md)
- [Designing for Human Perception](https://aliheston.gitbook.io/the-design-of-virtual-and-augmented-reality/the-foundations-of-vr-and-ar/designing-for-human-embodiment-and-perception-1.md)
- [Designing for Accessibility](https://aliheston.gitbook.io/the-design-of-virtual-and-augmented-reality/the-foundations-of-vr-and-ar/designing-for-accessibility.md): Update: Headers, Visuals, and Resources