> For the complete documentation index, see [llms.txt](https://docs.kasko.io/webapp-builder-manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.kasko.io/webapp-builder-manual/basic-concepts.md).

# Basic concepts

- [Pages](https://docs.kasko.io/webapp-builder-manual/basic-concepts/pages.md)
- [Fields](https://docs.kasko.io/webapp-builder-manual/basic-concepts/fields.md)
- [Components](https://docs.kasko.io/webapp-builder-manual/basic-concepts/components.md)
- [Contents](https://docs.kasko.io/webapp-builder-manual/basic-concepts/contents.md)
- [Look and feel](https://docs.kasko.io/webapp-builder-manual/basic-concepts/look-and-feel.md)
- [Generating PDF](https://docs.kasko.io/webapp-builder-manual/basic-concepts/generating-pdf.md)