Nonverbal

Up to 60% of Imogen of the Internet's nonverbal social cues are snarky hashtags.

Source: tatoeba (780431)

In the Moroccan dialect of Meknès, verbal negation is by means of the circumfix ma...-š, as in (15), while nonverbal negation is primarily by means of invariable ma-ši before the nonverbal predicate, as in (16).

Source: wiktionary

Negative prefix in Russian is a distinctive feature of nonverbal parts of speech, namely, nouns (even those that do not denote situations, e.g. 3a), adjectives (3b), and adverbs (3c): […]

Source: wiktionary

So obviously when we think about nonverbal behavior, or body language -- but we call it nonverbals as social scientists -- it's language, so we think about communication. When we think about communication, we think about interactions.

Source: wiktionary