Is UX and Interaction design only to do with website and apps? Is there no other major application for it? Microsoft Hololens is the only other one I can think of.

Is UX and Interaction design only to do with website and apps? Is there no other major application for it? Microsoft Hololens is the only other one I can think of.
I would also be interested to know about the application options that one can work with. I have just started studying UX and will soon have practical tasks. Hopefully, on the course we will be given some resources, which I will definitely share with you.