categorization

definition: the act of distributing things into classes or categories of the same type
example:
speech part: noun
synonyms: categorisation classification compartmentalization compartmentalisation assortment
definition: the basic cognitive process of arranging into classes or categories
example:
speech part: noun
synonyms: categorisation classification sorting
definition: a group of people or things arranged by class or category
example:
speech part: noun
synonyms: categorisation classification

How categorization is being used?