Which ITIL concept includes governance, practices, and continual improvement?

The ITIL concept that includes governance, practices, and continual improvement is the ITIL Value System, so option A is correct. The Value System is the overarching model that shows how all major ITIL components work together to enable value creation. It includes guiding principles, governance, the value chain, management practices, and continual improvement. This integrated structure helps organizations align strategic direction with operational execution while remaining adaptable and focused on value. The deliver and support activities are only two parts of the value chain, not the whole system. A guiding principle is only one component of the Value System. A dimension is a perspective used to ensure holistic consideration. Therefore, the only option that fully includes governance, practices, and continual improvement is the ITIL Value System.