> For the complete documentation index, see [llms.txt](https://docs.klai.studio/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.klai.studio/engineering-reference-docs/software-testing-overview/ux-ui-checklist/elements.md).

# Elements

Elements are the fundamental building blocks of an interface.