During a meeting, John is explaining his project proposal to the team. As he talks about the key points, he emphasizes his statements with hand gestures and nods his head to encourage his colleagues to ask questions or give feedback. His body language complements and reinforces his verbal message, making his communication clearer and more engaging. How does non$-$verbal communication, such as gestures and body movements, reinforce and enhance verbal communication? Provide examples and relate your answer to the given scenario. $(15$ marks$)$