Q540

{"type":"item","id":"Q540","labels":{"en":{"language":"en","value":"unique identifier"}},"descriptions":{"en":{"language":"en","value":"identifier which is designed to identify exactly one object (within its domain of use)"}},"aliases":{"en":[{"language":"en","value":"identifier"},{"language":"en","value":"identification number"},{"language":"en","value":"ID"},{"language":"en","value":"UID"},{"language":"en","value":"identifier system"}]},"claims":[],"sitelinks":[]}