Classification chart

Classification is the process in which ideas and objects are recognized, differentiated, and understood, and classification charts are intended to help create and eventually visualize the outcome.

Quantities need not be given, although a quantitative analysis adds to the value of a classification chart.

"[2] Karsten (1923) explained, that "in all chart-making, the material to be shown must be accurately compiled before it can be charted.

The art of classification calls into play the power of visualizing a 'whole' together with its 'parts'.

(first edition 1919) Willard Cope Brinton was one of the first to devoted a whole chapter on classification charts.