Web application folders structure 

• root dir
  • cache (Stores cache)
• design (Design categorys)
  • <used_design>
• doc (Release documentation)
• ezcomponents
• lib (core of the framework)
  • autoloads
    • lhcore_autoload.php (Main application autoload file)
  • core (Folder holds application logic modules files)
  • models (Folder contains application models clases)
• modules (There goes application modules.)
• pos (Represents eZ Components pos, persistent object talbles definitions)
• settings (holds application settings files.)
• translations (holds application translations)