Leading

-alert posture that moves as a complete unit
-knowledge of cues used to lead for specific directions
-knowledge of basic steps
-proper application of pressure and time to  them know before new steps
-hold partner confidentally
-listen to music for beat before starting
-step out on accented beat
-start each new step with left foot lead
-give the lead for the new step or direction before stepping into it
-start with easy steps, and progress to more advanced

Following

-keep to leader's rhythm
-be alert to partner's lead
-support one's own weight.  arch back and move with partner's hand
-step straight backward with reaching motion so as to give the partner room to step straight ahead
-pass the feet close together
-know the basic steps and basic leads
-try not to anticipate partner's action, just move with it
-give careful thought to proper body alignment and good posture