分類 and 区別: forming groups and recognizing differences
Compare grouping collected leaves by their properties with distinguishing similar birds. Group formation and recognizing differences can work together.
Form groups by properties
分類, read ぶんるい, means classification. 集めた葉を形と色で分類した。 says that the collected leaves were classified by shape and color.
Leaves are the classified objects, with shape and color as the criteria. Read the focus on dividing objects into groups according to properties.
Recognize differences between similar objects
区別, read くべつ, means distinction. 似た二つの鳥を羽の模様で区別する。 says that someone distinguishes two similar birds by their feather patterns.
羽の模様で supplies the identifying cue. 区別する is a nonpast expression, not a report of an already completed distinction.
A classified state and distinction by purpose
図書館では本が分野ごとに分類されている。 says that books in the library are classified by subject. Preserve the classified state and the criterion given by 分野ごと.
用途によって箱を色で区別した。 says that the boxes were distinguished by color according to their purpose. Recognizing differences can be part of classification, but the sentence does not report a separate box-painting task.
How do 分類 and 区別 focus differently on forming groups and recognizing differences?
Show the answer and why
分類 focuses on dividing objects into groups by properties. 区別 focuses on recognizing differences between objects. Distinguishing differences can occur within one classification process.