Stylistically distinct word or phrase within the text that cannot be tagged using any of the other mechanisms for such content. In other words, the content cannot be described with bold, italic, monospace, or any of the other emphasis elements; and <named-content> is inappropriate because the semantic reason behind the typographic distinction is unknown or not clear.
Any combination of:
Text, numbers, or special characters
External Linking Elements
<inline-supplementary-material> Inline Supplementary Material
Related Material Elements
Paragraph-level Display Elements
Standards Note and Example Elements
Emphasis Elements
Inline Display Elements
Lists
Math Elements
Other Inline Elements
Baseline Change Elements