🌐EnglishEnglishEspañolFrançaisItalianoРусскийالعربيةفارسی한국어中文日本語EntityQ15736718· pop 13· linked from 73 articlespencilfamily of geometric objects with a common propertyAvailable in 13 languagesEspañolFrançais中文日本語РусскийالعربيةCatalanGreekMacedonianUkrainianConnectionslineEntitygeometryEntityCategoriesAlgebraic geometryProjective geometry