1.
The horizontal value in a pair of coordinates.
2.
The vertical value in a pair of coordinates, and how far up or down the point is.
4.
Set of two numbers in which the first coordinate represents the horizontal position and the second coordinate represents the vertical position.
5.
A way of presenting information or data, typically using rows (horizontal) and columns (vertical).
7.
The point (0,0) on a coordinate plane, where the x-axis and y-axis intersect.
8.
A line that has two endpoints.
9.
A part of a line starting at an endpoint and continuing forever in one direction.
10.
The number that is divided by another number in a division operation.
11.
A plane formed by the intersection of a horizontal number line with a vertical number line.
