3. Key Components of a Data Dictionary When developing or applying data dictionary standardization policies, focus on the following components: Data Element Name: A unique identifier for the data element. Definition: A clear and precise definition of what the data element represents. Data Type: Specify the type of data (e.g., integer, string, date). Format: Indicate how the data should be formatted (e.g., YYYY-MM-DD for dates). Allowed Values: Details on permissible values for the data element (e.g., yes/no). Source: Origin of the data element, which adds context for users. Relationships: Information on how this data element relates to other elements and forms part of larger data entities