G7 protesters and police clash in Giardini

The video tutorial provides a brief introduction to the concept of greeting someone by saying 'hello'.

What is the first word introduced in the video?

• Thank you

• Please

• Goodbye

• Hello

Why are greetings considered important in communication?

• They are a sign of weakness.

• They are not important.

• They help in starting conversations.

• They are only used in formal settings.