John is using the verbal code of vocalics.
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Define verbal code.</h3>
Verbal codes are objects employed in communication that are linguistic as opposed to non-linguistic. It can support, take the place of, or go against verbal communication. Nonverbal cues include tone, intonation, gestures, silence, haptics (touch), sensors (senses), time management (chronemics), silence, and facial expressions (paralanguage). There are six primary nonverbal codes, each of which has an impact on how people perceive us, how we interact with one another, and how meaning is created in general. Our capacity for logic and communication is what is most frequently cited to set humans apart from other species.
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