Comprehensive and Detailed TheRequirements Architectureensures that themodeling and structuring of requirements are aligned for review. BABOK Guide (Chapter 7.1 - Define Requirements Architecture)states that requirements architecturehelps organize requirements into cohesive models, making it easier for stakeholders to understand relationships and dependencies. Domain knowledge (Option B)is useful but does not define the structure of the requirements. Methodologies and frameworks (Option C)guide development but do not directly structure requirements for review.