For questions about using Google Apps Script to extend Google applications
Google Apps Script can be used in four explicit ways:
- creation of a customized function from within a worksheet, like
- creation of a script from within a worksheet, like menus, automated tasks
- creation of a script from within Google sites, performing business logic
- stand-alone web application (script.google.com),
Furthermore, it allows you to access many of the Google Apps via services, making it a powerful tool.