What does indicator appear and indicator disappear block do.

[Saesint]

Pls can someone help me with what the block indicator appear and indicator disappear do. And how do that affect my trade when my arrow repaint.
Thank you.

[Ipod]

You can turn an indicator on and off visually with those blocks. The trade takes data directly and does not take the data from an indicator being put on the chart, almost like a seperate block really