Two numbers written in a certain order.

Usually written in parentheses like this:

Which can be used to show the position on a graph, where the "x" (horizontal) value is first, and the "y" (vertical) value is second.

So (12,5) is 12 units along, and 5 units up.

Usually written in parentheses like this:

**(12,5)**Which can be used to show the position on a graph, where the "x" (horizontal) value is first, and the "y" (vertical) value is second.

So (12,5) is 12 units along, and 5 units up.