The Chart media item can be used to display basic chart data. It's best for small amounts of data points. If you have a large amount of data to display then you may consider finding another 3rd party solution.
Chart Type - The chart data can be displayed as a vertical or horizontal bar, in a pie or doughnut, or as a line chart.
Chart Color - This is the default color for the data points. This can be overwritten on an individual basis.
Data - The list of data points.
Label - The label displayed in the chart.
Value - The numerical value.
Color - Here you can set the color for the individual data point.
Here are examples of the same set of data points with different display options.