Meaning: A young person moves the hand or arm to and fro as a greeting or farewell in the direction of a person whom one knows and with whom one has a bond of mutual affection, who is not existing before.
Choice of Words: Child: a young person. Waves: moves the hand or arm to and fro as a greeting or farewell. Goodbye: an expression used when parting or leaving. To: in the direction of. New: not existing before. Friend: a person whom one knows and with whom one has a bond of mutual affection.