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classification

分類　—　Reading

Sorting things as alike or unlike by a chosen criterion.

Aureus of Claudius (found in Southern India) Aureus of Claudius (found in Southern India)50–51 AD Aurangzeb's Half Rupee (pierced) Aurangzeb's Half Rupee (pierced)17th century
A photograph of what this word names.

⚠ What becomes visible depends on the criteria used for classification. Classifying by issuer reveals politics; by weight standard, finances; and by find spot, circulation. The criteria are determined by the objective.