%0 Conference Paper %A Luginbühl, Yves %B Les biens en série du patrimoine mondial : nouvel enjeu, nouveaux critères %C Poitiers, France %D 2014 %F icomos:1477 %K world cultural heritage %K world heritage sites %K cultural landscapes %K cultural property %K natural landscapes %K serial properties %K heritage at risk %K economic aspects %K protection of environment %K protection of historic site %K protection of historic monuments %K environmental planning %K conservation %K concepts %K definitions %K categories %K analysis %K interpretation %K interventions %K management plans %K land planning %K Theory of conservation %K Doctrine %P 11-24 %T Les biens et les territoires : définitions %U http://openarchive.icomos.org/id/eprint/1477/ %X The article discusses the issue concerning the concepts and methods that change of meaning with schools of thought, according to historical periods, countries, etc. The author emphasizes the importance of returning to the question of definitions of terms used in problematic by researchers. It highlights several concepts such as: property, property in series, heritage, land, nature, culture, etc. to show that these notions have undergone changes over time and that is why it is necessary to question certain definitions.