- classification, categorization, categorisation - a group of people or things arranged by class or category
--1 is a kind of arrangement
--1 has particulars: dichotomy, duality - classification, categorization, categorisation, sorting - the basic cognitive process of arranging into classes or categories
--2 is a kind of basic cognitive process
--2 has particulars:appraisal, assessment; attribution, ascription; attribution, ascription; cross-classification, cross-division; subsumption - categorization, categorisation, classification, compartmentalization, compartmentalisation, assortment - the act of distributing things into classes or categories of the same type
--3 is a kind of grouping
--3 has particulars:indexing; reclassification; relegation; stratification; taxonomy; typology