Which of the following best describes key performance indicators (KPIs)?

Key performance indicators (KPIs) are defined as quantifiable measures that assess the effectiveness of an organization in achieving key business objectives. They serve as a critical tool for understanding how well a company is performing against its strategic goals. By measuring various aspects of performance—such as sales numbers, customer retention rates, or production efficiency—KPIs provide valuable insights that can inform decision-making processes and help organizations adjust strategies to meet their targets.

In the context of this question, the answer clearly identifies KPIs as metrics specifically designed to evaluate the success in reaching designated business goals. This distinction is vital, as KPIs are not merely interested in broad strategies or specific actions but are focused on measurable outcomes that indicate the health and progress of the business.

To further appreciate the other options: tools for launching marketing campaigns, strategies for customer engagement, and frameworks for team collaboration represent specific functions or frameworks that do not encompass the broader and quantitative nature of KPIs. These elements may influence performance but do not intrinsically measure success against goals, which is the fundamental purpose of KPIs.