Each of the main chart elements (Header, Footer, Legend, ChartArea, and ChartLabels) has properties that control its position and size. While the chart can automatically control the positioning of any element except ChartLabels and the size of any element, these properties can also be customized.
When the chart controls positioning, it first allows space for the Header, Footer, and Legend, if they exist (size is determined by contents, border, and font). The ChartArea is sized and positioned to fit into the largest remaining rectangular area. Positioning adjusts when other chart properties change.