One piece of a paragraph's content: a TextRun or an InlineImage. Every piece names the structure element it becomes when the output is tagged.
public abstract class InlineElement
ISO 32000-2 §14.8.4.7.2 (inline-level structure types: Span, Link) and §14.8.4.8.5 (Figure), §14.9.2
(natural language specification): StructureType and Language are what tagged output writes for it.
kind:method, kind:property, kind:ctor. Press Esc to clear.LanguageThe natural language of the element as a BCP 47 tag, or null to inherit the paragraph's.StructureTypeThe standard structure type of the element when tagged; by default Span, Link for a linked run and Figure for an image.