What best describes a "mission statement"?

A mission statement serves as a succinct declaration that outlines the core purpose and primary objectives of an organization. This brief description encapsulates what the organization aims to achieve and helps guide decision-making and strategic planning. It communicates the organization’s values and direction to internal and external stakeholders.

While options such as detailed operational plans, personnel assignments, or training summaries serve specific functions within an organization, they do not convey the overarching purpose and goals as effectively as a mission statement does. The mission statement is essential for aligning efforts and motivating members toward a common vision.