Charts and graphs, especially charts, are the most important tools to represent data and developing trend in various aspects. A chart is a graphical representation of data, in which "the data is represented by symbols, such as bars in a bar chart, lines in a linechart, or slices in a pie chart".
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Answer:
Charts and graphs, especially charts, are the most important tools to represent data and developing trend in various aspects. A chart is a graphical representation of data, in which "the data is represented by symbols, such as bars in a bar chart, lines in a linechart, or slices in a pie chart".
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