🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPortuguêsTiếng ViệtTürkçeРусскийالعربيةفارسیहिन्दीไทย한국어中文日本語EntityQ10161578· pop 76Category:Classification systemsWikimedia categoryArticleClassification systems are systems with a distribution of classes created according to common relations or affinities.See also:Read full article (6 paragraphs)Available in 72 languagesEspañol中文日本語РусскийPortuguêsالعربيةहिन्दीAbkhazian