Final answer:
A Strategic Business Unit (SBU) is a subsidiary, division, or unit within an organization that is responsible for its own strategy, product offerings, and performance results, and is often focused on a specific market segment.
Step-by-step explanation:
The term for a subsidiary, division, or unit of an organization that directs overall strategy for the organization and markets a set of related products to a clearly defined group of customers is known as a Strategic Business Unit (SBU). An SBU operates as an independent entity, but it is still a part of the larger organizational structure. It is responsible for its own planning and performance results and typically has its own set of competitors. The key characteristics of an SBU include: having a unique business mission, a distinct set of products or services, its own competitors, and a manager with sales and profit responsibility accountable to the corporate headquarters.