# Summary

- [Introduction](./introduction.md)
- [Getting Started](./getting-started.md)
- [Language Tour](./language-tour.md)
  - [Primitive Types](./language-tour/primitive-types.md)
  - [Variables & Constants](./language-tour/variables-and-constants.md)
  - [Functions](./language-tour/functions.md)
  - [Custom Types](./language-tour/custom-types.md)
  - [Control flow](./language-tour/control-flow.md)
  - [Modules](./language-tour/modules.md)
- [Untyped Plutus Core](./uplc.md)
  - [Syntax](./uplc/syntax.md)
  - [Command-line utilities](./uplc/cli.md)
  - [Builtins](./uplc/builtins.md)
- [Ecosystem Overview](./ecosystem-overview.md)
- [Resources](./resources.md)
