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

# Foundations

- [Rules](https://uia-design-system.gitbook.io/project/foundations/rules.md)
- [Logo](https://uia-design-system.gitbook.io/project/foundations/logo.md)
- [Color](https://uia-design-system.gitbook.io/project/foundations/color.md)
- [Icon](https://uia-design-system.gitbook.io/project/foundations/icon.md): Icons are visual representations of commands, files, devices, directories, or common actions and are used to provide visual context and enhance usability
