---
title: Concepts
description: Core concepts behind Durable Objects, including identity, storage, lifecycle, and coordination.
image: https://developers.cloudflare.com/dev-products-preview.png
---

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

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# Concepts

* [ What are Durable Objects? ](https://developers.cloudflare.com/durable-objects/concepts/what-are-durable-objects/)
* [ Lifecycle of a Durable Object ](https://developers.cloudflare.com/durable-objects/concepts/durable-object-lifecycle/)

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