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# Reference

This section contains links to reference documentation.

-   **[Lightning Component Library](https://developer.salesforce.com/docs/platform/aura-platform/components/component-library.md)**  


    The Lightning Component Library is your hub for component reference information, including the Component Reference with live examples, and tools for Lightning Web Security and Lightning Locker.

-   **[System Tag Reference](https://developer.salesforce.com/docs/platform/aura-platform/guide/ref-system-tags.md)**  


    System tags represent framework definitions and are not available in the Component Library.

-   **[JavaScript API](https://developer.salesforce.com/docs/platform/aura-platform/ref-jsapi/ref-jsapi-intro.md)**  


    The JavaScript API lists the publicly accessible methods for each object that you can use in JavaScript code, such as a controller or helper. The `$A` namespace is the entry point for using the framework in JavaScript code.