Protocol: Protocol refers to a set of established rules or customs that guide behavior in formal or diplomatic situations. It outlines the proper way to behave and interact in specific contexts, often involving ceremonies or official events. Civility: Civility is the practice of showing politeness, respect, and consideration towards others in social interactions. It involves using courteous language, gestures, and behaviors to create a positive and harmonious atmosphere. Decorum: Decorum pertains to maintaining proper behavior, manners, and etiquette in various situations. It involves adhering to accepted norms and standards to ensure interactions remain respectful and appropriate. Gestures: Gestures are nonverbal expressions made through body movements, facial expressions, and hand signals. In the context of etiquette, understanding culturally appropriate gestures is essential to communicate effectively and show respect.