These flags would be so useful in daily life when you're having one of those days and want to let people know.

'I am dragging my anchor.' 'I require a tug.' 'Stop carrying out your intentions.'

And my personal favourite 🚩: 'I am on fire; keep clear of me.'

@Natasha_Jay "No meaning" seems a bit on the nose.
@Natasha_Jay @hedders Could be interpreted as "I have no words..."

@Natasha_Jay @hedders @MyYeeHaa

I think it means "This Flag Pole/Line Intentionally Left Blank". So you can signal, "It's not that I forgot to signal, it's that I have nothing I need to say."