Value chain activities support an organization's purpose by translating that purpose into activities that create value, so option A is correct. Purpose explains why the organization exists and what it seeks to provide for consumers and other stakeholders. The value chain then expresses how the organization acts at a high level across the lifecycle of products and services to make that purpose real. Activities such as discover, design, build, transition, operate, deliver, support, and acquire work together to turn intent into outcomes. Governance and compliance frameworks are important, but they are not the main role of value chain activities. Likewise, the value chain does not prescribe specific tools. ITIL positions the value chain as the central operational expression of the value system, helping organizations convert strategic intent into coordinated value-creating action.