ELI5: Explain Like I'm 5

Tank gun

Okay kiddo, so you know how tanks are these big metal vehicles that can go really fast and drive over all sorts of terrain like dirt and rocks? Well, they also have big guns on them called tank guns.

These guns are used to shoot at other tanks or buildings or other things that might be in the way. The tank gun shoots a big metal bullet, called a shell, really fast through a long, straight tube called the barrel.

The barrel is like a straw - the shell goes through it really fast and comes out the other end with a lot of force. This force is what can do a lot of damage to whatever the tank gun is shooting at.

Tank guns come in different sizes and have different types of shells that can do different things. Some shells can explode and make a big boom, while others are designed to pierce through armor.

So basically, a tank gun is a big gun on a tank that shoots a powerful bullet to help the tank take down things that might be in its way.