---
title: Architecture Reference Guide
---

This documentation section contains more in-depth explanation of different API components.
If you are not familiar with *IntelliJ Platform* API please refer to  
[Basics](basics.html)
section.

* [Project Model](reference_guide/project_model.html)
* [Project Wizard](reference_guide/project_wizard.html)
* [Custom Language Support](reference_guide/custom_language_support.html)
* [Frameworks and External APIs](reference_guide/frameworks_and_external_apis.html)  
* [VCS Integration Plugins](reference_guide/vcs_integration_for_plugins.html)
* [Localization Guide](reference_guide/localization_guide.html)
* [Messaging Infrastructure](reference_guide/messaging_infrastructure.html)
* [Multiple Carets](reference_guide/multiple_carets.html)
* [Color Scheme Management](reference_guide/color_scheme_management.html)
* [User Interface Components](user_interface_components/user_interface_components.html)