Chapter+14

 Contrary Octaves/fifths - An octave (or fifth) to another octave (or fifth) in contrary motion

 Direct Octave/fifths - Similar motion in to an octave or fifth (only allowed in inner voices in part-writing)

 Figured Bass - Using Arabic numerals to represent members of a chord

 Realization - Writing out the figured bass

 Unequal Fifths - Similar motion from a diminished fifth to a perfect fifth (mostly allowed in part-writing for inner voices)