A greeting is a way to acknowledge someone’s presence or to express goodwill. It can be verbal, such as saying "hello" or "hi," or non-verbal, like waving or smiling. Greetings are often used in social interactions to create a friendly atmosphere and establish a connection between people. Different cultures have unique greeting customs. For example, in some cultures, a handshake is common, while in others, a bow or a kiss on the cheek may be preferred. Understanding these customs, such as those associated with cultural etiquette, can enhance communication and foster positive relationships.