Attachment
A media attachment to a wall post, a comment, or a private message.
Board topic
Represents a topic in a group's discussion board.
Comment
A comment on anything except a wall post.
Group
Represents a group or an event.
Message
A private message.
Paginated list
A slice of some long list, returned by all methods that take `offset` and `count`.
Photo
Represents a photo, either in an album or as an image attached to a post, a comment, or a message.
Photo album
A photo album.
Poll
A poll attached to a wall post.
Privacy setting
A privacy setting configurable by the current user.
User
Represents a user profile.
Wall post
A post or a comment on a wall.