Momentum rally in Westminster in support of Jeremy Corbyn's leadership of the Labour party

The video covers a series of events including an introduction with expressions of gratitude, a discussion on a motion that was unanimously agreed upon, and concludes with a public vote of confidence in Jeremy Corbyn, highlighting the people's voice in Parliament Square.

What was the significance of the statement 'So there is the people's vote of competence'?

What did the people in Parliament Square express?