CLEAN: Asian markets slammed in global selloff

The video consists of a simple greeting followed by a brief pause.

What does the phrase 'Say hi.' imply in a conversation?

In what contexts would you use the phrase 'Say hi.'?

Discuss the significance of greetings in communication, using 'Say hi.' as an example.

How might the response 'Ah.' be interpreted in a dialogue?

What emotions or reactions could the response 'Ah.' convey?