Basic Customization > Windchill Customization Basics > Managing Customizations > Setting Up a Directory Structure for Managing Customized Files and Text Tailoring > Directory Structure Diagram for Customized Files and Text Tailoring
  
Directory Structure Diagram for Customized Files and Text Tailoring
The following diagram gives an example directory structure that includes the wtCustom directory for text tailoring and the wtSafeArea directory for other customizations. The wtSafeArea directory contains subdirectories for storing site-modified (i.e., customized) files and corresponding current versions and original versions of the files that PTC has delivered. Following the diagram are the details about how these directories are used.