This directory contains the WordPress Customizer framework implementation, including theme personalization UI components, widget management tools, and real-time preview capabilities for live theme modifications and layout adjustments.
class-wp-customize-manager.php
Core customization frame management
customize.php
General customization API interface
preview.js
Live preview scripting interface
customizer.php
User interface implementation
exporter.php
Settings export tools
panels.php
Section management system
Contains live theme editing infrastructure. Requires full site reload for visual changes preview.