Description: A Functionality Testing Module is an essential tool in the software development field, designed to evaluate and verify that the software functionalities behave according to the established specifications. This module focuses on checking whether each component of the software performs the tasks it was designed for, ensuring that the final product meets customer requirements and user expectations. Functionality testing can include validating inputs, executing processes, and verifying outputs, covering both the user interface and business logic. This type of testing is crucial for identifying errors and defects in the early stages of development, allowing development teams to correct issues before the software is released to the market. Additionally, it helps improve software quality, increase customer satisfaction, and reduce long-term costs. In summary, the Functionality Testing Module is a key component in the software development lifecycle, ensuring that the final product is robust, efficient, and meets the required quality standards.