It was almost as if some life came into Widowmaker's body at that question. She reached over to snag the holoscreen she'd been using, tapping at it as she searched for a few images - one of what she considered more modern and one that showed some older models from the twentieth century.

"A gun is a projectile weapon that expels a bullet - traditionally of a jacketed metal - through a barrel at extremely high velocity. Think of something similar to a crossbow but instead of using string to shoot a bolt, the bullet is powered by a small controlled explosion and is powerful enough to punch through walls and armor at high distances," she said as she turned the holoscreen toward the elf.