With this introductory knowledge, you can go ahead and try some stuff by yourself. For example, you can take the game Benjamin the elephant and send Benjamin's current position from one client to another. This way, you can either clone the screen from one client to the other, or both clients can play the game and, additionally, can see where the elephant of the other player currently is. For such a task, you would use UDP, as it is important that the position is updated very fast while it isn't a disaster when one position gets lost.
Keep in mind that we only scratched the surface of networking due to its complexity. Covering it fully would have exceeded this beginner's guide. For a ...
