Answer
The first coordinate dictates your left/right position, while the second coordinate dictates your up/down position.
Work Step by Step
The first coordinate dictates your left/right position, while the second coordinate dictates your up/down position. If the first number is positive, you move right, but if it is negative, move left. Similarly, a positive second number means you should move up with respect to the origin, while a negative second number means that you should move down.