Definitions for "Paralanguage"
Aspects of communication which affect the meaning of a vocal message, which strictly speaking, is not language. Tone of voice, inflection, pauses, etc. are examples of processes which affect how a message is received by a listener.
The meaning comes from the way a person says the words as much as from what the words mean.
Non verbal elements in speech such as intonation, that may affect the meaning of an utterance.