And now for a somewhat related comedic intermission!
MC Hawking: Music Video
And these things are subject to change depending on how we progress as a people and society, as well as exploration - they're based on human-understanding, which is always evolving and changing.
A screaming comes across the sky.
It has happened before, but there is nothing to compare it to now.Pynchon - Gravity's Rainbow
If aliens are discovered, they will understand math. We might not have nay other thing that we can connect to them with, but math will be a common understanding.
Everything that exists can be explained through math. It's not that we created these concepts, they existed and all we did was discover and name them. They exist independent of our understanding.