> For the complete documentation index, see [llms.txt](https://handbook.swinlanes.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://handbook.swinlanes.com/main-concepts.md).

# Main Concepts

- [IF Method](https://handbook.swinlanes.com/main-concepts/if-method.md)
- [Productbase](https://handbook.swinlanes.com/main-concepts/productbase.md)
- [Feature](https://handbook.swinlanes.com/main-concepts/feature.md)
- [Feature Iteration](https://handbook.swinlanes.com/main-concepts/feature-iteration.md)
- [Iteration Lead](https://handbook.swinlanes.com/main-concepts/iteration-lead.md)
- [Technical damage](https://handbook.swinlanes.com/main-concepts/technical-damage.md)