Define 'data architecture'.

Data architecture refers to the structural design and organization of data systems and databases that ensures the effective management, storage, and accessibility of data within an organization. It encompasses the models, policies, structures, and technologies that determine how data is collected, stored, processed, and disseminated.

This definition highlights the importance of not only having data but also structuring it in a way that it can be efficiently managed and utilized for decision-making, analytics, and operational processes. A well-defined data architecture enables organizations to create a cohesive strategy for data management, ensuring that data flows smoothly between systems and is accessible to stakeholders when needed.

The other options do not accurately represent the concept of data architecture. While marketing strategies, financial frameworks, and human resources approaches are essential components of an organization, they do not pertain to the specific design and management of data systems and databases, which is the primary focus of data architecture.