---
title: Concepts
description: Explore foundational Cloudflare concepts including DNS, accounts, zones, IP addresses, and how traffic flows through the network.
image: https://developers.cloudflare.com/core-services-preview.png
---

> Documentation Index  
> Fetch the complete documentation index at: https://developers.cloudflare.com/fundamentals/llms.txt  
> Use this file to discover all available pages before exploring further. 

[Skip to content](#%5Ftop) 

# Concepts

* [ How Cloudflare DNS works ](https://developers.cloudflare.com/fundamentals/concepts/how-cloudflare-works/)
* [ Traffic flow through Cloudflare ](https://developers.cloudflare.com/fundamentals/concepts/traffic-flow-cloudflare/)
* [ Accounts, zones, and profiles ](https://developers.cloudflare.com/fundamentals/concepts/accounts-and-zones/)
* [ Cloudflare IP addresses ](https://developers.cloudflare.com/fundamentals/concepts/cloudflare-ip-addresses/)

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