The dialog appears when you right-click a chart which is based on a business/report cube and select Format Chart from the shortcut menu. It helps you to modify the definition of the chart and contains the following three tabs:
OK
Applies the settings and closes the dialog.
Cancel
Cancels the settings and closes the dialog.
Help
Displays this help document.
This tab allows you to set the type of the chart. See the tab.
Chart Type
Lists all the chart types.
Subtype
Shows subtypes of the selected chart type in thumbnail form.
Chart Type Groups
Lists the subtype(s) defined for the chart.

Removes the selected subtype.
This tab allows you to set the fields that will be displayed in the chart. See the tab.
Resources
Displays all the dimension objects and measure objects used in the chart.

Adds the selected cube element to the chart.

Removes the selected cube element.
Category
Lists the dimension object that will be displayed on the category axis.
Series
Lists the dimension object that will be displayed on the series axis.
Show Values
Lists the measure object(s) that will be displayed on the value axis.
Order/Select N
Opens the Order/Select N dialog to define the sort order and Select N condition in the chart.
This tab allows you to select a style for the chart. See the tab.
Style
Lists the available styles.
Preview
Displays a diagram illustrating the effect of the selected style on the chart.