Section whose content is typically a list of terms or abbreviations, usually tagged as one or more two-part lists called <def-list>. Typically part of the back matter of a document.
The following, in order:
<label> Label of a Figure, Reference, Etc., zero or one
Any combination of:
Paragraph-level Display Elements
Standards Note and Example Elements
Lists
Math Elements
Related Material Elements
<glossary> Glossary Elements, zero or more