OptionalformatHow values are written. Absent means number; percent takes 12.5 to mean 12.5%.
OptionalstartWhether a line chart's value axis starts at zero. Absent means it fits the data, which shows the movement in a series that never nears zero. Columns and bars always start at zero: a bar's length is its value.
OptionaltitleThe chart's heading.
OptionalxWhat the category axis measures, e.g. "Quarter".
OptionalyWhat the value axis measures, e.g. "Miles".
The labels along the category axis — periods, names — in order. A pie's slices.