Which Practice Area includes practices to be implemented by senior management for relevant work accomplishment?

The correct choice is Governance, as it encompasses the practices senior management employs to establish direction, make decisions, and ensure accountability within an organization. Governance provides a framework within which the organization can operate effectively, aligning its activities with its objectives and ensuring that the necessary resources and processes are in place to achieve relevant work accomplishments. This practice area is critical because it involves the oversight of policies, procedures, and decision-making processes that guide the organization's direction and performance.

In contrast, Strategic Planning, while also important, specifically focuses on defining long-term goals and determining the actions needed to achieve those goals. It does not encompass the broader oversight and accountability responsibilities inherent in Governance.

Performance Management relates to monitoring and evaluating the effectiveness of processes and outcomes but focuses more on how well the organization is achieving its goals rather than the overarching structure and accountability mechanisms.

Resource Allocation deals with the distribution of resources to various projects or departments but does not address the broader governance framework essential for senior management's decision-making and oversight responsibilities. Thus, Governance is the most appropriate practice area for the implementation of senior management practices regarding relevant work accomplishments.