Whenever you select the chart, three new tabs namely, Design, Layout and Format appear in the Ribbon. Each of these tabs contains specific groups of chart tools to format the charts and chart data.
The Design tab contains four more groups; Type, Data, Chart Layouts and Chart Styles.
See the image:
The Layout tab generally contains six groups; Current Selection, Insert, Labels, Axes, Background and Analysis.
See the image:
The Format tab usually contains five groups; Current Selection, Shape Styles, Word Art Styles, Arrange and Size.
See the image:
