National Archives, The (TNA) meaning in Information Science terminology / glossary / dictionary is:
Established in April 2003 when the Public Record Office and the Historical Manuscripts Commission were combined, the National Archives of England, Wales, and the United Kingdom is responsible for managing the records of central government and the courts of law. Its archivalcollection is the largest in the world, spanning an unbroken period from the 11th century to the present. The National Archives selects and preserves government records of historical value, advises government departments and the general public on best practices in records management, and is active in the development of electronic records management and in the digitization of paper records and other media. Click here to connect to the homepage of The National Archives.