In your program you must adhere to Six Sigma as part of your organization's enterprise environmental factors. There is terminology, reports, and measurements that you are expected to use as part of…

Quality control refers to the inspection and measurement of specific results to detect defects, which is reactive; Six Sigma as a mandatory organizational standard operates at the systemic, process-assurance level.

Process improvement is a component of quality management but is a narrower, targeted activity; Six Sigma as a mandatory enterprise standard is more accurately categorized as an overarching quality assurance framework.

Scope verification is the process of formally accepting completed deliverables and is entirely unrelated to quality methodologies such as Six Sigma.

Quality assurance involves applying systematic quality activities to ensure the project employs all processes needed to meet requirements. Six Sigma, mandated as an enterprise environmental factor with required terminology, reports, and measurements, operates at this systemic process-wide level to ensure consistent quality practices across the program. It provides a structured framework for monitoring and improving processes proactively rather than reacting to individual defects.