CLEAN : Pro democracy activists mock Xi Jinping and march in Hong Kong

What is the significance of the duration mentioned in the text?

How does the offset value relate to the overall timing in the context provided?

What could be the implications of a duration of 1850 milliseconds in a practical scenario?

In what situations might the offset value be critical for understanding the text?

Can you think of any applications where both duration and offset are important? Explain.