What does this mean??

Hi there @lcjones0519 and welcome to our corner on the internet!✨👑

This setting is in regards to replying to others on the forum. As you can see at the top of my post here, if I press reply on your post, it includes your post in it.

If you continue to reply to this, it will create a chain ⛓️ of replies. This setting is just a visual thing of how much of this you want to see. So feel free to try it out a bit and see what suits you!