Police fire tear gas at Islamic separatists marching

What do you think the phrase 'come on' conveys in a conversation?

In what contexts might someone use the phrase 'come on'?

How does the tone of voice affect the meaning of 'come on'?

Can 'come on' be interpreted differently based on cultural context? Explain your reasoning.

What emotions might be associated with the phrase 'come on' in different situations?