---
breadcrumbs:
- - /developers
  - For Developers
- - /developers/design-documents
  - Design Documents
- - /developers/design-documents/aura
  - Aura
page_name: aura-and-shell-dependencies
title: Aura and Shell dependencies
---

The diagram below shows the dependencies of Chrome, Ash (Aura shell),
views-based widgets, and the Aura windowing subsystem. Note that in many but not
all cases there are delegate interfaces each module can use to query the module
above.

[<img alt="image"
src="/developers/design-documents/aura/aura-and-shell-dependencies/ChromeAshViewsAuradependencies.png">](/developers/design-documents/aura/aura-and-shell-dependencies/ChromeAshViewsAuradependencies.png)