Line chart series visualize data trends over specified intervals. In this example, you can switch between the following line series types: Line, Stacked Line, and Full Stacked Line.

Spline chart series visualize data trends over specified intervals after interpolation. In the example above, you can switch between the following spline series types: Spline, Stacked Spline, and Full Stacked Spline.

Step Line displays data as points joined by horizontal and vertical line segments that look like steps.