Okay kiddo, an arcade cabinet is like a big box with a screen on one side and buttons or joysticks on the other side. It's like a really big and fancy video game console that you can play games on. Inside the cabinet, there are all sorts of electronics and wires that make the game work and look cool on the screen. Sometimes there are even special effects like flashing lights or cool sounds. Arcade cabinets are usually found in arcades, which are places where you can go to play video games with your friends. They're like a big playground for video games!