Any combination of:

• Text, numbers, or special characters

• Accessibility Elements

  • <alt-text> Alternate Title Text For a Figure, Etc.

  • <long-desc> Long Description

• External Linking Elements

  • <email> Email Address

  • <ext-link> External Link

  • <uri> Uniform Resource Identifier (URI)

• <break> Line Break

• <caption> Caption of a Figure, Table, Etc.

• <legend> Legend

• 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

• Inline Display Elements

  • <inline-code> Inline Code

  • <inline-graphic> Inline Graphic

  • <inline-media> Inline Media Object

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

• Inline Math Elements

  • <chem-struct> Chemical Structure (Display)

  • <inline-formula> Formula, Inline

• <kwd-group> Keyword Group

• <subj-group> Subject Group

• Standards Note and Example Elements

  • <non-normative-example> Non-Normative-Example

  • <non-normative-note> Non-Normative-Note

  • <normative-example> Normative-Example

  • <normative-note> Normative-Note

  • <notes-group> Notes Group

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

• <named-content> Named Special (Subject) Content

• <styled-content> Styled Special (Subject) Content

• Math Elements

  • <tex-math> TeX Math Equation

  • <mml:math> Math (MathML Tag Set)

• <alternatives> Alternatives For Processing

• <array> Array (Simple Tabular Array)

• <code> Code Block

• <graphic> Graphic

• <media> Media Object

• <preformat> Preformatted Text

• Baseline Change Elements

  • <sub> Subscript

  • <sup> Superscript