"Has fields" is a predefined property to define a list of properties used with a record typed property and is provided by Semantic MediaWiki. This property is pre-deployed (also known as special property) and comes with additional administrative privileges but can be used just like any other user-defined property.
This is the page of special property Has fields. It lists all properties using this special property. See the help page Special property "Has fields" for further information.
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PopulationThe number of inhabitants of some geographical place., Year, Referenced from, Wikidata IDWikidata ID +
Showing 1 related entity.