propulsion

I understand how a multirotor drone is turning, taking off and landing. But how is it possible that a multirotor drone is moving forward? All the propellers are in the same position and the engine is in a fixed position. Can someone explain it to me? Thanks!

Hello everyone, I have had my Phantom 3 Pro since December of last year so therefore I'm not as experienced as a lot of you may be but my questions are of pretty dire concern and actually might really be nothing, however I cannot really find a "straight forward" answer with the research I've...