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Column Chart: A column chart represents the
                                                                      data  over  a  period  of time in columns. Each
                                                                      column rises from  X-axis and  indicates the
                                                                      value of a data. The measurement values are
                                                                      shown vertically as Y-axis. 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 slices,
                  with each slice showing how big a value is compared
                  to the whole chart. Pie chart displays single type of
                  data item and is beneficial when the user wants to

                  emphasize value of a significant item. Pie charts help
                  to compare how each value relates proportionally to
                  the whole.




                                                                    Bar  Chart: A bar  chart represents the data  in
                                                                    horizontal columns. The measurement of values
                                                                    are organized horizontally. Stacked bar chart is a
                                                                    variation of bar charts. These bars can be placed

                                                                    horizontally on the chart area. It illustrates the
                                                                    comparisons among the individual items. In this
                                                                    chart, categories are represented on the vertical
                                                                    axis and values are represented on the horizontal
                                                                    axis.




                  Area Chart: An area chart is a version of a line or
                  column graph. It is useful to emphasize on volume
                  of changes of data. Area charts have better visual

                  impact than a 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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