CLEAN : Search continues for body of French schoolgirl in the Ardennes

The video tutorial introduces a scene set in the sea, where Pixie is asked to search for something. It then discusses a channel and fixing issues, followed by a segment on singing and non-verbal communication.

What can be inferred from the line 'about anyone else to tell her nothing.'?

How does the phrase 'Slowly don't look down.' contribute to the overall mood of the text?