(management) A tool used to determine whether a manufacturing or business process is in a state of statistical control or not.

A large pad, usually supported on a stand, used for (typically handwritten) presentations.

A chart bearing letters or other symbols, used to test visual acuity.

(nautical) A table, below deck, on which charts are placed to navigate.

A pictorial graph where a radar chart is superimposed over a pie chart to compare two sets of data.

(operations) A diagram which uses the symbols and notations of program evaluation and review technique to depict the flow of dependent tasks and other events in a project.

A family tree or pedigree in which the ancestors, rather than the descendants of a particular person are shown

(nautical) A device that uses GPS to maintain a (normally digital) chart of a ship's course.

ring chart

A multilevel pie chart that uses concentric circles to visualize hierarchical data.