Your awareness is the key thing that makes you a better player. Stay alive, work as a team, and you will probably win about powerleveling. All topics covered were simply the basic mechanics. Obviously the game has a lot more depth and it will take experience before you become good. Just do not be retarded.
When you are out in the lanes, you only get cheap Mesos by landing the last hit or killing blow. Since you do not get experience until things actually die, you can generally just hang back and move in for the kill when possible just to strengthen your wallet about buy maple story gold. Being able to do this makes you a more solid player in general. This becomes vital when you are being harassed constantly.