What is this rare function "Change status to"

[Steven_]

I dont undestand what this function for, allow to tick and untick, and can insert the text. what is this function use for? Can anyone tell me, this might have other meaning.

[sktsec]

That is the message appears at the lower left on your chart. But the actual usage is tricky. You better use comment block instead

[l'andorrà]

I agree with sktsec.