The "Countries" screen registers and changes countries. Registering countries is a typical activity for application developers. See the warning under Application Development. The entry fields are: - "Code": The two-letter code of the country according to ISO 3166. - "Description": The name of the country. - "ISO-Land Number": The unique country number according to ISO 3166. - "ISO-Land Code 3": The unique three-letter country code according to ISO 3166. - "Sort Order": The position of the country when a list box shows countries.