The following, in order:

• <label> Label (of an Equation, Figure, Reference, etc.), zero or one

• <title> Title, zero or one

• Any combination of:

  • <address> Address/Contact Information

  • <alternatives> Alternatives For Processing

  • <array> Array (Simple Tabulation)

  • <boxed-text> Boxed Text

  • <chem-struct-wrap> Chemical Structure Wrapper

  • <fig> Figure

  • <fig-group> Figure Group

  • <graphic> Graphic

  • <media> Media Object

  • <preformat> Preformatted Text

  • <supplementary-material> Supplementary Material

  • <table-wrap> Table Wrapper

  • <table-wrap-group> Table Wrapper Group

  • <disp-formula> Formula, Display

  • <disp-formula-group> Formula, Display Group

  • <p> Paragraph

  • <def-list> Definition List

  • <list> List

  • <tex-math> TeX Math Equation

  • <mml:math> Math (MathML 2.0 Tag Set)

  • <related-article> Related Article Information

  • <related-object> Related Object Information

  • <disp-quote> Quote, Displayed

  • <speech> Speech

  • <statement> Statement, Formal

  • <verse-group> Verse Form for Poetry

• <ref> Reference Item, zero or more

• <ref-list> Reference List (Bibliographic), zero or more