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:

Data series in FlexChart are controlled by the Series object comprising the following properties:

Property	Description
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.
DataSource	Sets the collection of objects containing the series data.
Name	Sets the series text that is displayed in the legend.
Style	Sets the style of the series.
SymbolMarker	Sets the shape of the marker to be used for each data point of the series. This property applies to Scatter, LineSymbols, and SplineSymbols chart types only.
SymbolSize	Sets the size of the symbols used to render the series.
SymbolStyle	Sets the style of the symbols used in the series.
Visibility	Determines whether the series is visible and sets the position of the series, if it's visible.

For more information on series, refer to FlexChart series.