Series are the groupings of the related points of data inside the Plot Area of the chart. 

The following image illustrates data series in FlexChart:

 

You can access the series collection in FlexChart by using the Series property. And you can control the chart series by using the Series object comprising the following properties:

Property	Description
ActualBinding	Gets the actual binding
ActualBindingX	Gets the actual X-binding
ActualChart	Gets the actual chart.
ActualItemsSource	Gets the actual items source.
AxisX	Sets the series X-axis.
AxisY	Sets the series Y-axis.
Binding	Sets the name of the property that contains Y values for the series.
BindingX	Sets the name of the property that contains X values for the series.
ChartType	Sets the series chart type.
ItemsSource	Sets the collection of objects containing the series data.
MemberPaths	Sets the array of member bindings for the series.
SeriesName	Sets the series name.
Style	Sets the style of the series.
SymbolMarker	Sets the shape of the marker to be used for each data point in the series. This property applies to Scatter, LineSymbols, and SplineSymbols chart types only.
SymbolSize	Sets the size (in pixels) of the symbols used to render the series. This property also applies to Scatter, LineSymbols, and SplineSymbols chart types only.
Visibility	Sets the series visibility.

For more information on series, refer to FlexChart series.