Description: Defect Density is a metric used in software project management that refers to the number of confirmed defects relative to the size of the software, typically expressed in lines of code (LOC) or function points. This measure allows development teams to assess the quality of the software and the effectiveness of their testing processes. A high defect density may indicate issues in the development process, such as inadequate testing or deficiencies in planning. Conversely, a low density suggests a more robust product that is less prone to failures. Defect Density not only helps identify problematic areas in the software but also allows for comparisons between different projects or versions of the same software, facilitating informed decision-making about necessary improvements and resources. Additionally, this metric is crucial for risk management, as it provides a clear view of product quality and helps set realistic expectations regarding the performance and stability of the software in various operational environments.