What are practical examples of the pragmatic function of communication signals?

Pragmatic functions of communication signals can be seen in various everyday scenariOS. For instance, a nod can signal agreement or understanding in a conversation without the need for Words. Similarly, a thumbs-up gesture can convey approval or encouragement, while a raised eyebrow may indicate skepticism or surprise. These non-verbal cues enhance the clarity and efficiency of communication by providing context and emotional nuance beyond the spoken language.