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✶  Column Chart: It is usually used to display the data in the form of vertical bars. It
                     is used to show the changes in data over a period of time or comparison among
                     the different data items. The categories are represented on the horizontal axis
                     and the values are represented on the vertical axis.




















                  ✶  Pie Chart: It is a circular chart divided into sectors where each sector shows the
                     relative size of each value. It always shows only one data series. You can make
                     a pie chart for data series with categories having non-zero and no negative
                     values. You can not have more than seven categories in a pie chart. It is useful
                     when you want to emphasise on a significant element.





















                  ✶  Area Chart: It is used to display the quantitative magnitude of the data
                     graphically. These charts are based on the features of the line chart. They
                     basically emphasise the area between the line and the axis with the help of the
                     colours, textures, pictures, etc.





















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