Textual material that is part of the body but is outside the flow of the narrative text (for example, a sidebar).
The following, in order:
<object-id> Object Identifier, zero or more
<caption> Caption of a Figure, Table, etc., zero or one
Any combination of:
Paragraph-level Display Elements
Lists
Ownership Elements
<attrib> Attribution, zero or one
<permissions> Permissions, zero or one