Official page of controls is located at: Facebook Connect ASP.NET Control List.
Facebook Login Button
This control is used to establish connection with Facebook API which enables all other components to work correctly without additional requirement to login again. It also enables correct work of methods from Facebook Developer Toolkit to get data from Facebook.
Facebook Stream Publish Popup
This control is used to publish stories using stream publish feature. The control enables to set title, links, description, media attachments and properties to story. Media attachment can contain image, video, MP3 or Flash sources. Stream publish feature is one of main. features to share info about content on web site or about Facebook application with user's friends.
Facebook Become Fan Box
Become fan box is used to enable users to become fan of Facebook Page or Facebook application. It also can contain list of defined number of fans and messages from page wall.
Facebook Comment Box
This control is used to enable users to put comments on some article inside a web site or on the website itself. Commenting inside comment box posts users' comments on his wall encouraging his friends to go on the web site and increase traffic by that.
Facebook Invite Friends
This control is used to enable user to invite his friends on visiting a web site of Facebook application.
Facebook Bookmark Button
This control is used to allow user to bookmark a web site or Facebook application on easy way. After book marking a link of the web site or the Facebook app will be visible from Facebook environment.
Facebook Share Button
This control uses to share info about web site content of Facebook Application. There are several types of share button displayed on picture.
This control is used to allow user to set permissions on a web site or a Facebook application. Example of permissions: send email, change user status, upload photos etc.