What are the meaning of "gestures"?

Gestures are intentional movements of the body—most commonly the hands, arms, face, or head—that are used to communicate ideas, emotions, or attitudes without relying on words. They function as a form of nonverbal communication, often enhancing or even substituting for spoken language. For example, a wave can signal greeting, a nod can indicate agreement, and a shrug might express uncertainty. These physical cues not only add expressiveness to conversation but also help to convey subtleties that words alone sometimes cannot capture .

Beyond their role in everyday interactions, gestures carry cultural significance and can vary widely between different societies. A gesture that is positive and friendly in one cultural context might be misunderstood or even offensive in another. Researchers in nonverbal communication study gestures to understand how people use body language to express emotions, manage interactions, and build relationships, highlighting their importance as a universal language that transcends words .