Weird Type Of Symbol On Minecraft

[judeclark]

When I sometimes copy and paste things on the internet for some symbols, I sometimes keep on getting these odd symbols which are dotted boxes with weird letters and numbers in it:

(Check symbols on the text box)

So now I'm gonna ask you guys if you know anything about these symbols. All I know for now is there might be LOADS of them out there, so ask me if you have ever seen them before or know anything about them.

Thanks, JEWDI