facebook学习笔记 - Platform Core Components

http://wiki.developers.facebook.com/index.php/Platform_Core_Components
Platform Core Components

Facebook Platform comprises a number of core components, including:
The API, which consists of a number of methods that let you add social context to your applications.
FBML, Facebook Markup Language, which allows you to integrate your application into Facebook.
XFBML, an extension to FBML, which lets you incorporate FBML into Facebook Connect sites and iframe applications.
FQL, Facebook's Query Language, which lets you quickly and easily query for Facebook user data without using the API.
FBJS, Facebook's method for letting developers incorporate JavaScript into their applications.