---
title: Fundamentals
canonical: 'https://lightning.ai/docs/fabric/stable/reference/fundamentals'
---
# Fundamentals {#fundamentals}



---

**Navigation**

- Parent: [Reference](/docs/fabric/2.6.6/reference.md)
- Children:
  - [Launch distributed training](/docs/fabric/2.6.6/reference/fundamentals/launch.md)
  - [Fabric in Notebooks](/docs/fabric/2.6.6/reference/fundamentals/notebooks.md)
  - [Save memory with mixed precision](/docs/fabric/2.6.6/reference/fundamentals/precision.md)