Run Content
The final level of the document hierarchy is run content, which is defined as the set of elements which can be contained as the contents of a particular run in a document.
Note:
Text
Field Codes
DrawingML objects
VML objects
Fields
example:
<w:r>
<w:rPr>
<w:b/>
<w:i/>
</w:rPr>
<w:t>quick</w:t>
</w:r>
The run content consists of a single string of run text inside the t element, which reads quick. ]