Rhythm & Tempo
Bar/Measure: A bar is a part of the music that starts with an accented beat and finishes right before the next accented beat. (bar lines on musical sheet)
Rhythm/Time Signature: how many beats in each measure/bar. Example: 1 2 3 vs SSQQ
Tempo: speed of music, i.e. the speed beat is played, how many beats per minute.
Direction & Alignment
Travel direction and foot alignment may or may not be the same.
Foot alignment could be Diagonal Center, but traveling direction could be Line of Dance.
Turn & Rotation
Turn is for the feet. Rotation is hip relative position to feet.