Sadiq Khan arrives to cast his vote at a polling station

The video tutorial covers various topics, starting with an introduction and setup, followed by a discussion on Luna and a second topic. It then provides insights into the public sector before concluding with thoughts on crafts. The tutorial is interspersed with expressions of gratitude and holiday wishes.

What does the speaker mean by 'Public sector' in their statement?

What is the context of the phrase 'Happy Thanksgiving just by the song'?