The following, in order:

• <object-id> Object Identifier, zero or more

• <sec-meta> Section Metadata, zero or one

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

• <caption> Caption of a Figure, Table, etc., zero or one

• Any combination of:

  • Paragraph-level Display Elements

    • <address> Address/Contact Information

    • <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

  • <alternatives> Alternatives For Processing

  • <disp-formula> Formula, Display

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

  • Lists

    • <def-list> Definition List

    • <list> List

  • Math Elements

    • <tex-math> TeX Math Equation

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

  • <p> Paragraph

  • <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

• <sec> Section, zero or more

• Any combination of:

  • <fn-group> Footnote Group

  • <glossary> Glossary Elements List

  • <ref-list> Reference List (Bibliographic)

• Any combination of:

  • <attrib> Attribution

  • <permissions> Permissions