Duchess of Cambridge at 1851 Charity roadshow in London Docklands

The video contains a brief, humorous remark intended to lighten the mood.

What does the phrase 'Just kidding' imply in a conversation?

In what contexts might someone use the phrase 'Just kidding'?

How can the use of humor, such as saying 'Just kidding', affect interpersonal communication?

What are some potential misunderstandings that could arise from saying 'Just kidding'?

Can the phrase 'Just kidding' be considered a form of sarcasm? Why or why not?