The following directory structure is used in Sahana. If you are developing code please follow this structure. If you are developing a module, all files should be contained in the module directory.

 /-www - Web root of Sahana - this directory can exposed to the web
    |-theme - The directory that contains all the themes (CSS/Images/Javascript) available for Sahana
       |-default - The default theme for Sahana
       |-green_theme - An alternative theme
 /-conf - contains the config files for Sahana (should not be exposed to the web!)
 /-3rd - 3rd party components Sahana depends on
 /-inc - Sahana libraries (prefixed by lib_) and handlers (prefied by handler_)
 /-mod - main modules directory for sahana 
    |-home - displays the home page
    |-dvr - people registry
 /-test - quick functionality test scripts