A Gadget: Is it just a cute little guy? That's a gadget.
A Device: Similar to a gadget, but too boring, technologically cursed or legally/morally dubious to be called just a guy
A Contraption: The thing that killed Shinzo Abe.
Hardware: Do you need a license to use it? Was this only meant to be purchased by businesses, governments, or weird nerds? That's hardware.


