New datatypes for Umbraco 4.6+ that are not in the default install to make Umbraco have some controls like in other types of CMS such as;
Treeview Controls
Content
Treeview: allowing multiple content to be added to the data type and
also has the options for start location and only allowing certain
DocumentTypes.
Media Treeview: allowing multiple media to be
added to the data type and also has the options for start location and
only allowing certain MediaTypes.
Drop Down List Controls
Content
Drop Down List Treeview: allowing single content to be added to the
data type and also has the options for start location and only allowing
certain DocumentTypes.
Media Drop Down List Treeview: allowing
single media to be added to the data type and also has the options for
start location and only allowing certain MediaTypes.