pie chart: Output depicted as percentage of total (100%) output histogram (always showing value as x axis and frequency those values appear - often within defined equally-spaced value intervals- as y axis vertical bar chart: input is always x - axis, output is always y - axis horizontal bar chart (divided bar): multiple outputs (shown on x - axis) for the same input (shown on y - axis) frequency polygon: "line-chart" representation of frequency (y - axis) versus value (x - axis)