This graph part

Is

Title (optional)

The title of the graph. The title appears at the top of the graph.

Value axis

The axis of the graph along which the values of dependent variable(s) are plotted. In a column graph, the Value axis corresponds to the Y axis in an XY presentation. But in other types of graphs, such as a bar graph, the Value axis can be along the X dimension.

Category axis

The axis along which the major divisions of the data representing the independent variables are plotted.

Series

A set of data points.

Series axis

The axis along which the series are plotted in threedimensional (3D) graphs.

Legend (optional)

The key to identifying the series of the graph.