# Understanding Serverless

Here we'll take a deep dive into the internals of Serverless and understand what a service is and how functions relate
to a service.

Additionally we look at the Serverless key pieces of each service which are the `serverless.yaml` and
`serverless.env.yaml` files.

## Table of contents

- [Serverless services and functions](services-and-functions.md)
- [serverless.yaml](serverless-yaml.md)
- [serverless.env.yaml](serverless-env-yaml.md)