Base Content Types, common in WSS 3.0 and MOSS 2007

These are content types which are common in Windows SharePoint Services 3.0 and Microsoft Office SharePoint Server 2007 (MOSS).

Content Type	Parent Content Type	Description	Visible
System	-----	The root of the content type tree	No
Item	System	Represents any item in a list or library	Yes
Document	Item	Represents any type of document	Yes
Form	Document	Represents an InfoPath form	No
Picture	Document	Represents an image file	Yes
UntypedDocument	Document	Represents any generic file type	Yes
MasterPage	Document	Represents a master page	Yes
WikiDocument	Document	Represents a page in a wiki	Yes
BasicPage	Document	Represents a basic web page	Yes
WebPartPage	BasicPage	Represents a web part page	Yes
LinkToDocument	Document	Represents a link to a document in a different location	Yes
DublinCoreName	Document	Represents the Dublin Core metadata set, which is an open standard for meta-data	Yes
Event	Item	Represents an event item in a list	Yes
Issues	Item	Represents an issue item in a list	Yes
Announcement	Item	Represents an announcement item in a list	Yes
Link	Item	Represents a link item in a list	Yes
Contact	Item	Represents a contact item in a list	Yes
Message	Item	Represents a message item in a list	Yes
Task	Item	Represents a task item in a list	Yes
WorkflowTask	Task	Represents a task assigned by a workflow process	No
AdminTask	Task	Represents an administrative task assigned to an administrator	No
WorkflowHistory	Item	Represents a historical entry recording a workflow milestone	No
BlogPost	Item	Represents a blog post	Yes
BlogComment	Item	Represents a blog comment	Yes
FarEastContact	Item	Represents a personal or business contact in the Far East	Yes
Folder	Item	Represent a folder in a list	Yes
RoorOfList	Folder	Represents the root folder of a list	Yes
Discussion	Folder	Represents a topic in a discussion list	Yes