dramatic irony is a stylistic device that is most commonly used by storytellers, in plays, in the theater, and in movies.
Verbal and nonverbal cues can give us as human beings many different subtle cues as to what's going on in social situations. For example, certain nonverbal cues such as yawning, stretching, dreary eyes, and a hunched over body position can cue a person in rather quickly that this person is probably overtired. Furrowed eyebrows or extended staring at a specific object, or situation can help us infer that someone is perplexed. A hurried gesture, with sweeping movements of the hand towards the body implies that they want you to come towards them quickly.
Verbal cues are more obvious as thy state points more clearly, but both are efctive tools in language that we often overlook.
The correct answer to this open question is the following.
Although the question is so open and does not include further context or references, we can say the following.
The nature of communication is that is a very important process in human interaction. The process of communication is the way humans establish contact with other humans because we are social people that from the very beginning of our lives we begin to interact with others.
In the process of communication, there is a "sender" that transmits a "message" to the "receiver," using many "channels" as they could be oral, expression, non-verbal communication, or through mass media or social media.