CLEAN : Three generations of SKoreans speak ahead of US-NKorea summit

The video covers a range of topics, starting with initial thoughts and remarks. It then moves into a discussion about legal cases and related topics, followed by open considerations and forgotten topics. The video also touches on communication and interaction with others, and concludes with a brief discussion on the weather and other miscellaneous topics.

What does the speaker mean by 'It's how you talking to another person'?

How does the phrase 'Hello. How is the weather?' reflect social interaction?