Video lecture accompanying Section 4, Rehearsal and Delivery Techniques. CONCEPTS: nonverbal communication, oculesics, eye contact, kinesics, gesture, emblem, illustrator, regulator, affect display, adaptor, facial expression, universality, posture, movement, motivated movement, objectics, chronemics, monochronic, polychronic, paralanguage, rate, volume, pitch, monotone, inflection, vocal variety, silence, vocalized pause, articulation, pronunciation, vocalization