Series Type

Line: Display the series as a line in the chart, see more at Line Chart ;
Smoothed Line: Display the series as a smooth line in the chart, see more at Line Chart ;
Column: Display the series as bar columns in the chart;
Area: Display the series as filled area in the chart, see more at Area Chart .
Smoothed Area: Display the series as filled smooth area in the chart, see more at Area Chart .

Specifies how the Value type column will be shown in the chart.