(engineering) A kind of graph that relates various properties of a circular pipe, used to predict pressure drop or flow rate.

(obsolete, nautical) A chart purporting to show the track of sealed bottles thrown from ships into the sea, based on its currents.

A three-dimensional chart that graphs the political spectrum, mapping cultural issues on one axis, fiscal issues on another axis, and corporate issues on a third axis, with the endpoints representing eight different ideologies.

A bar chart with a series of decreasing bars showing the changed value at each stage of a process.

A chart with three headings (plus, minus, and interesting) used to evaluate aspects of an idea.

A chart plotted on two axes — "attitude toward the state" and "attitude toward planned social progress" — used to visualize a person's political philosophy.

a weather map

A chart similar to a line graph, but with the line forming a series of steps between data points. / (video games) A sequence of steps to be performed in a dance game.

A two-dimensional chart that graphs the political spectrum, mapping cultural issues on one axis and economic issues on another axis to represent conservatism, libertarianism, and their opposites.

A placard with the capital letter E printed on it in various orientations and sizes, designed to test distance vision.