Layered Areas

Also known as a Layered Area Graph, Layered Area Chart or Multiple Area Charts

Layers mean individual slices of information (series) which can be stacked to create your composition of multiple series within the same chart view using overlapping.

In this example, layered area chart is basically multiple areas layered by either making use of transparency or perspective. It can be used instead of a multiple LineSeries to compare development of a trend, to search patterns and relationships both within a collection and across collections over the period.