What section discusses how a business functions and its revenue generation?

The section that discusses how a business functions and its revenue generation is the Business Model. This section outlines the fundamental way a company creates, delivers, and captures value. It encompasses the various components that define how a business operates, including its target customers, value proposition, revenue streams, and cost structures.

A well-defined business model provides insight into key operational processes, delineating how the organization generates income and sustains itself financially. It addresses the mechanisms through which a company earns revenue, such as through product sales, subscriptions, or service fees, and details how these components interconnect to ensure the overall viability and competitiveness of the business in the market.

The other options, while related, do not encompass the holistic view of revenue generation and operational functionality provided by a business model. The operational structure focuses more on internal arrangements and workflows, the revenue plan emphasizes specific strategies for income generation rather than the overarching framework, and the market strategy relates to how a business intends to reach and engage customers, which is a part of the broader business model.