> For the complete documentation index, see [llms.txt](https://xreal.gitbook.io/nrsdk/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://xreal.gitbook.io/nrsdk/design-guide/design-guide-overview.md).

# Design Guide Overview

A quick and simple guide aimed at providing fundamental design knowledge as well as establishing some common standards for user interaction in XREAL mixed-reality apps. The guide is broken down into four principle sections:

<table data-card-size="large" data-column-title-hidden data-view="cards" data-full-width="false"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td></td><td> <strong>Displaying</strong></td><td></td><td><a href="/nrsdk/design-guide/displaying.md">Displaying</a></td></tr><tr><td></td><td> <strong>Controlling</strong></td><td></td><td><a href="/nrsdk/design-guide/interacting.md">Interacting</a></td></tr><tr><td></td><td><strong>Interacting</strong></td><td></td><td><a href="/nrsdk/design-guide/controlling.md">Controlling</a></td></tr><tr><td></td><td> <strong>Navigating</strong></td><td></td><td><a href="/nrsdk/design-guide/navigating.md">Navigating</a></td></tr></tbody></table>