Paralinguistics vs. Paralanguage — What's the Difference?

Of or relating to paralanguage or its study.

Paralanguage, also known as vocalics, is a component of meta-communication that may modify meaning, give nuanced meaning, or convey emotion, by using techniques such as prosody, pitch, volume, intonation, etc. It is sometimes defined as relating to nonphonemic properties only.

The study of paralanguage.

The set of nonphonemic properties of speech, such as speaking tempo, vocal pitch, and intonational contours, that can be used to communicate attitudes or other shades of meaning.

(linguistics) The non-verbal elements of speech, and to a limited extent of writing, used to modify meaning and convey emotion, such as pitch, volume, and intonation

The use of manner of speaking to communicate particular meanings