The Forrester Buyer Data Articulation Model allows organizations to classify the data required to support marketing decisions. Data can be characterized by the entity it applies to, the type of information provided, and how it is acquired. This model can help B2B revenue engine professionals identify the types and sources of data needed to understand and effectively enable their buying audiences. In this report, we introduce The Forrester Buyer Data Articulation Model and describe how it can help organizations describe buyer audiences, classify captured data, and categorize its sources.