Gorilla Eating In Natural Habitat

The video provides a brief introduction with a simple acknowledgment phrase.

What does the phrase 'That's OK' imply in a conversation?

In what contexts might someone say 'That's OK'?

How can the tone of voice affect the meaning of 'That's OK'?

Can 'That's OK' be used to dismiss someone's feelings? Explain your answer.

What are some alternative phrases that convey a similar meaning to 'That's OK'?