Source: World of Tanks Europe
What is a tank? It might seem like a very simple question. But it’s not an easy one to answer. To realize how big the problem is, take a look at an encyclopedia. It will say something like “a tank is an armored fighting vehicle, typically tracked, and carrying a cannon as main armament.” This description is very loose. Since there’s no ready answer, we’ll have to find it for ourselves. Let’s see what tanks were designed to do in the past, and how their role has evolved since.