An Objective Chain measurably links features to Business Objectives. Because multiple features typically map to various Business Objectives, and each feature might address multiple Business Objectives, this model helps to determine the relative value of each feature or feature set.  When faced with more than one solution, or when needing to prioritize (i.e., cut one or more features), this model can be particularly helpful in determining which features will bring the most value. In fact, when we are able to cut features that do not provide necessary value from a project, we are providing a significant benefit to our stakeholder(s).

As shown above, the model begins first with the Business Objective at the top of the chain, eventually linking to Features. Between the Business Objectives and Features are Objective Factors and Objective Equations.  An Objective Factor is a qualitative statement describing how that level adds value to the objective above it in the chain. An Objective Equation is an estimated calculation that quantitatively explains how features contribute to the Business Objective.

Learn more about requirements models in our book Visual Models for Software Requirements (Microsoft Press, 2012) Joy Beatty and Anthony Chen. (See Chapter 4 for Objective Chains)

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