Making a gui invisible

how do i make it so if a specific part of a gui label is outside it’s parent (a frame) that specific part disappears ? or just how to hide a specific part of a gui ?

Just click on the parts and scroll down where it should say visible, then uncheck it.

that’s not what am trying to get
for example i wanna make a frame and maybe make the middle of that frame invisible
that frame is just one thing so setting visible to false will hide the whole thing.