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

# Core concepts

- [Getting started](https://help.whaly.io/core-concepts/getting-started.md)
- [Data stack architecture](https://help.whaly.io/core-concepts/getting-started/data-stack-architecture.md)
- [Consumers vs Builders](https://help.whaly.io/core-concepts/getting-started/consumers-vs-builders.md)
- [Data layers in Whaly](https://help.whaly.io/core-concepts/getting-started/data-layers-in-whaly.md)
- [License Mapping](https://help.whaly.io/core-concepts/getting-started/license-mapping.md)
- [Data modeling](https://help.whaly.io/core-concepts/data-modeling.md)
- [Understanding data models](https://help.whaly.io/core-concepts/data-modeling/understanding-data-models.md)
- [Designing data models](https://help.whaly.io/core-concepts/data-modeling/designing-data-models.md)
- [Common modeling patterns](https://help.whaly.io/core-concepts/data-modeling/common-modeling-patterns.md)
- [Event schema](https://help.whaly.io/core-concepts/data-modeling/common-modeling-patterns/event-schema.md)
- [Maintaining data models](https://help.whaly.io/core-concepts/data-modeling/maintaining-data-models.md)
- [Data models best practices](https://help.whaly.io/core-concepts/data-modeling/data-models-best-practices.md)
- [Explorations](https://help.whaly.io/core-concepts/explorations.md)
- [Understanding Explorations](https://help.whaly.io/core-concepts/explorations/understanding-explorations.md)
- [Designing Explorations](https://help.whaly.io/core-concepts/explorations/designing-explorations.md)
- [Maintaining Explorations](https://help.whaly.io/core-concepts/explorations/maintaining-explorations.md)
- [Mistakes to avoid](https://help.whaly.io/core-concepts/explorations/mistakes-to-avoid.md)