An interjection expressing strong emotion, such as astonishment or deep feeling, often used to convey a powerful reaction to a situation or event.

A word used to indicate agreement or acknowledgment in conversation, similar to saying "yes" or "sure."

A calling or beckoning expression used to attract someone's attention or signify the desire for someone to wait.

A term used in casual dialogue to show understanding or to affirm something, often functioning as a response during conversations.