A coaxial power connector is a special type of plug that allows electricity to flow from one device to another. It looks like a small tube with a hollow center, and it has a metal tip on one end that plugs into a power source. The other end of the connector has a small pin that fits snugly into the device that needs electricity.
When you plug the coaxial power connector into the wall and your device, it creates a complete circuit. Think of a circuit like a closed loop, kind of like when you run around in a circle playing tag. The electricity flows from the power source, through the coaxial power connector into your device, and then back out to the power source.
The reason why a coaxial power connector is used is because it's a sturdy and reliable way to deliver electricity. Because it has a hollow center, there's no room for the metal parts to get knocked around, which can cause other plugs to break or get disconnected. The pin on the other end of the coaxial power connector is also really secure, so it won't accidentally pop out of your device when you move it around.
Overall, a coaxial power connector is a simple but important gadget that helps power lots of electronics in your home!