Data Dictionary: a how to and best practices

A data dictionary is a list of key terms and metrics with definitions, a business glossary. While it is sounds simple, almost trivial, its ability to align the business and remove confusion can be profound. In fact, a data dictionary is possibly one of the most valuable artifacts that a data team can deliver to the business.

Most businesses have at least one concept, term, or metric that is used or interpreted differently among teams. When this happens, confusion reigns. Decision makers may disagree about what the data show and what actions to take…