Apart from config.xml, PhoneGap project also contains the following folders.
- hooks: Hooks allow you to add special scripts to applications and plugins. Various hooks like before_build, after_build can be added in config.xml file and can be used to perform business specific activities. Hooks are Cordova specific,
- node_modules: These are npm modules utilized by the project.
- platforms: It contains platform specific build codes.
- plugins: This folder will contain plugins added using PhoneGap CLI.
- www: This is the folder which you will be concerned about. This is where your application code lives.