Metrics are units of measurement. The term "metrics" is also frequently used to mean a set of specific measurements taken on a particular item or process. Software engineering metrics are units of measurement that are used to characterize: software engineering products.Object-oriented software engineering metrics are units of measurement that are used to characterize: - object-oriented software engineering products, e.g., designs, source code, and test cases, - object-oriented software engineering processes, e.g., the activities of analysis, designing, and coding, and Object-oriented software engineering people