What is the main purpose of the WBS Dictionary?

• A. To define the project budget
• B. To document the risk management plan
• C. To provide detailed descriptions of the scope of each WBS element
• D. To track stakeholder engagement

Answer: (C)

The WBS Dictionary provides detailed, unambiguous scope information for every element in the work breakdown structure. For each WBS component, it describes precisely what work is included, the expected deliverables, the acceptance criteria, key milestones, and any assumptions or constraints. It may also identify who is responsible, the resources required, and how this element relates to other elements. This level of detail ensures everyone shares a clear understanding of what is in scope for each part of the project, and it serves as a reference for planning, estimating, and managing changes.

This is why it’s the best choice: it directly explains the purpose of the WBS Dictionary as the repository of detailed scope descriptions for each element. The other options describe separate project-management artifacts or activities—budgeting is the domain of cost management, the risk management plan is a distinct document, and stakeholder engagement tracking belongs to stakeholder management and communications—none of which are the primary purpose of the WBS Dictionary.