Prince William planting poppy seeds in park

The video tutorial begins with an inquiry about participation, followed by a discussion on placing items on the edge. It concludes with affirmations and a mention of expertise.

What emotions or reactions do you think are conveyed in this dialogue?

What do you think was not heard?

What was put on the edge?

What is the significance of the response 'Yes, yes'?

How would you define an 'Expert' in this context?