The following commands are demostrated in the video below.

Text
Text Parallel: Create text parallel or tangent to a selected line, arc or polyline.
Text in an Arc: Create arc text from a selected arc or circle.
Text Sequential: Create or replace text with sequential numbers or letters, optional prefix and suffix
Text Add Note: Create text with the same style, rotation, layer and standard spacing as selected text.
Text: Dialog: Dialog box interface to standard AutoCAD Text or MText command to select the style and justification.
Text Respacing: Create text in the drawing with the option to adjust the line spacing.
Text Mathematics: Add, Subtract, Multiply, and/or Divide numeric values of selected text, mtext, arc text, attributes, point object elevations, and elevations of the Civil 3D Surface Elevation Label objects.
Text Import: Import an ASCII text file as text.
Text Export: Export selected text to an ASCII file.