ITIL (Information Technology Infrastructure Library), a framework for IT service management, emphasizes aligning IT services with business objectives. It aids in strategic planning, integrating IT and business goals, and reducing IT operational costs.
Critically, ITIL does not encompass hardware design, as this is an engineering discipline separate from IT service management.
Options (A), (B), and (C) are all domains where ITIL offers guidance and processes to enhance IT service delivery and management.