CLEAN: IMF chief Strauss-Kahn meets Sarkozy

The video tutorial begins with a simple greeting, setting the stage for the content to follow.

What does the greeting 'Hello' signify in communication?

In what contexts might you use the phrase 'Hello'?

How can the tone of 'Hello' change its meaning?

What are some variations of the greeting 'Hello' in different cultures?

Why is 'Hello' considered a universal greeting?