Final answer:
A data dictionary is a centralized repository of information about the data elements used in a database. It supports outcomes such as creating new codes and code sets, documenting metadata and its use, and defining critical data elements and their relationships with other assets.
Step-by-step explanation:
The question is about the data dictionary which is a term used in the field of Computers and Technology. A data dictionary is a centralized repository of information about the data elements used in a database, including definitions, relationships, and metadata. It supports outcomes such as creating new codes and code sets, documenting metadata and its use, defining data, column names, and table names, and defining critical data elements and their relationships with other assets.