Country concept has Country property Creates a link between a region and a country. link to DBPedia resource A mapping property to link an entity with a DBPedia resource Region concept A region represents a set of countries. External Indicator This indicator is established by third parties such as Worldbank but its observations are not part of a component. Secondary Indicator This indicator is established by third parties such as ITU, UN, etc. Its observations are part of a component. ISO-code-alpha 2 digit This property creates a link between a country and its ISO code (2 digit) Primary Indicator Primary indicator is an indicator defined by the Webfoundation. Area ISO-code-alpha 3 property This property creates a link between a country and its ISO code (3 digit)