Answer:
A point
Explanation:
That is a point in (X, Y) coordinate plane.
You could say it is because of three things:
1: you have a letter and then two numbers, the letter is the name assigned to the point in the plane.
2: you only have two numbers inside the parenthesis. This always means X first, then Y.
3: the basic concept of a lie tells us that it's based compose of two points