# Concepts overview Read the concept documents to learn more about uv's features: - [Projects](./projects/index.md) - [Tools](./tools.md) - [Python versions](./python-versions.md) - [Configuration files](./configuration-files.md) - [Package indexes](./indexes.md) - [Resolution](./resolution.md) - [The uv build backend](./build-backend.md) - [Authentication](./authentication.md) - [Caching](./cache.md) - [The pip interface](../pip/index.md) Looking for a quick introduction to features? See the [guides](../guides/index.md) instead.