The Advent wreath is a circular garland of evergreen branches representing eternity. On that wreath, five candles are typically arranged. During the season of Advent, one candle on the wreath is lit each Sunday as a part of the Advent services.
Combined DNA Index System. The Combined DNA Index System (CODIS) is the United States national DNA database created and maintained by the Federal Bureau of Investigation.
Short for Human Resources Information System HRIS is a system used by human resources departments to track employees and information about them. A HRIS is often a database system or a series of inter-related databases. HRIS is often a database system or a series of inter-related databases.