Facial gestures are movements of the face that convey emotions, intentions, or reactions. These gestures include expressions like smiling, frowning, or raising eyebrows, which can indicate happiness, sadness, surprise, or confusion. They play a crucial role in nonverbal communication, helping people understand each other without words. Different cultures may interpret facial gestures in various ways, making context important. For example, a smile can signify friendliness in many cultures, while in others, it might be seen as a sign of nervousness. Understanding these nuances can enhance interpersonal interactions and improve communication skills.