Whenever we draw a point on our grid, we'll call it "plotting a point."

The grid is really called a "graph" and the points we plot are called "coordinates."  These are really locations on a plane -- we're just finding and labeling them.

Coordinates are just ordered pairs of numbers like

(Be sure not to confuse this with interval notation.
It may look the same, but, it's a totally different thing.)

Coordinates always follow this order: