Headed group of material; the basic structural unit of the body of a standards document.
The following, in order:
<editing-instruction> Editing Instruction, zero or more
Any one of:
Any combination of:
Paragraph-level Display Elements
Standards Note and Example Elements
Lists
Math Elements
Related Material Elements
Optionally, the following sequence (in order):
One or more of any of:
Section Elements
Any combination of:
Standards Note and Example Elements