Complex sentence: While not traditionally thought of as "talk," nonverbal communication has been found to contain highly precise and symbolic meanings, as verbal speech traditionally does, and these meanings are conveyed through the use of gesture, posture changes, and timing.
Split into simpler sentences: While not traditionally thought of as "talk," nonverbal communication has been found to contain highly precise and symbolic meanings, similar to verbal speech. However the meanings in nonverbal communication are conveyed through the use of gesture, posture changes, and timing.