c:txPr and c:rich: a DrawingML text body. c:txPr holds formatting only: one paragraph whose default run (pPr.defaultRun) is the element's font.
c:txPr
c:rich
pPr.defaultRun
Optional
a:lstStyle; present, and usually empty, when the file states it.
a:lstStyle
c:txPrandc:rich: a DrawingML text body.c:txPrholds formatting only: one paragraph whose default run (pPr.defaultRun) is the element's font.