> For the complete documentation index, see [llms.txt](https://docs.gta.clothing/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.gta.clothing/basics/essential-knowledge.md).

# Essential Knowledge

- [User Interface](https://docs.gta.clothing/basics/essential-knowledge/user-interface.md): Learn about our User Interface
- [Build Options](https://docs.gta.clothing/basics/essential-knowledge/build-options.md): Learn about Project Build Options
- [3D Previewing Clothes](https://docs.gta.clothing/basics/essential-knowledge/3d-preview-clothes.md): Learn about our 3D Preview
- [Items Position Number](https://docs.gta.clothing/basics/essential-knowledge/items-position-number.md): Learn about our 'Cloth Position' Feature
- [Cloth Analysis Report](https://docs.gta.clothing/basics/essential-knowledge/cloth-analysis-report.md): Learn about our Information, Warnings and Errors
- [Optimizing Clothes](https://docs.gta.clothing/basics/essential-knowledge/optimizing-clothes.md): Learn about our Cloth Optimization features
- [Cutting Hairs](https://docs.gta.clothing/basics/essential-knowledge/cutting-hairs.md): Learn about our 'Cut Hairs' Feature
- [High Heels](https://docs.gta.clothing/basics/essential-knowledge/high-heels.md): Learn about our 'High Heels' Feature
- [Audio Presets](https://docs.gta.clothing/basics/essential-knowledge/audio-presets.md): Learn about our 'Audio Presets' Feature