Etiquette refers to the set of rules and conventions that govern polite behavior in social and professional settings. It includes guidelines on how to interact with others, such as using appropriate language, showing respect, and being considerate of different cultures. Good etiquette helps create a positive atmosphere and fosters good relationships. Different cultures may have their own specific etiquette practices, such as table manners, greeting customs, and dress codes. Understanding and following these practices can enhance communication and prevent misunderstandings. Overall, etiquette is about being mindful of others and contributing to a respectful environment.