What defines the resources an organization needs to meet its objectives?

The correct choice highlights human resource planning as a critical process that defines the resources an organization requires to achieve its objectives. Human resource planning involves assessing current and future workforce needs in relation to the organization's goals. This process ensures that the organization has the right number of staff, with the right skills, at the right time, and in the right positions.

Through effective human resource planning, an organization can identify gaps in its workforce, forecast future hiring needs, and implement strategies for recruitment, training, and development. It aligns human resources with business objectives, ensuring that the organization is equipped to meet challenges and capitalize on opportunities in the market.

The other options, while related to the context of managing people within an organization, do not encapsulate the broader strategic focus of determining required resources. Job specifications are more about detailing specific roles and responsibilities rather than overall resource alignment. Personnel management refers to the administrative functions related to the workforce, and labor market analysis involves examining external conditions affecting employment but does not focus on the internal resource planning needed to meet organizational goals. Therefore, human resource planning is the most comprehensive option in defining the resources necessary to fulfill an organization's objectives.