Any combination of:

• Text, numbers, or special characters

• Address Elements

  • <addr-line> Address Line

  • <city> City (in an address)

  • <country> Country (in an address)

  • <fax> Fax Number (in address)

  • <institution> Institution Name

  • <institution-wrap> Institution Wrapper

  • <phone> Phone Number: in an Address

  • <postal-code> Postal Code: in an Address

  • <state> State or Province (in an address)

• External Linking Elements

  • <email> Email Address

  • <ext-link> External Link

  • <uri> Uniform Resource Identifier (URI)

• <inline-supplementary-material> Inline Supplementary Material

• Related Material Elements

  • <related-article> Related Journal Article Information

  • <related-object> Related Non-standards Object Information

• <break> Line Break

• Emphasis Elements

  • <bold> Bold

  • <fixed-case> Fixed Case

  • <italic> Italic

  • <monospace> Monospace Text (Typewriter Text)

  • <num> ISO Numeric Emphasis

  • <overline> Overline

  • <roman> Roman

  • <ruby> Ruby Wrapper

  • <sans-serif> Sans Serif

  • <sc> Small Caps

  • <strike> Strike Through

  • <underline> Underline

• <label> Label of a Figure, Reference, Etc.

• Inline Display Elements

  • <inline-graphic> Inline Graphic

  • <private-char> Private Character (Custom or Unicode)

• <fn> Footnote

• <target> Target of an Internal Link

• <tbx:entailedTerm> Entailed Term

• <xref> X(cross) Reference

• Baseline Change Elements

  • <sub> Subscript

  • <sup> Superscript