classification

US /ˌklæs.ə.fəˈkeɪ.ʃən/
UK /ˌklæs.ə.fəˈkeɪ.ʃən/
"classification" picture
1.

the arrangement of animals and plants in taxonomic groups according to their observed similarities

:
The classification of species is a fundamental aspect of biology.
Linnaeus developed a system for the classification of living organisms.
2.

the action or process of classifying something

:
The library uses a decimal system for the classification of books.
Data classification is crucial for effective data management.