A chart<span>, also called a </span>graph<span>, is a graphical representation of </span>data<span>, in which "the data is represented by </span>symbols<span>, such as bars in a </span>bar chart<span>, lines in a </span>line chart<span>, or slices in a </span>pie chart".[1]<span> A chart can represent </span>tabular numeric <span>data, </span>functions<span> or some kinds of qualitative structure and provides different info.</span>