Description: Functionality refers to the range of operations that can be executed in a system or application. It is a key concept in software development and systems engineering, as it defines the capabilities and features that a product can offer to its users. Functionality can encompass simple tasks, such as data input and output, to complex processes involving multiple interactions and workflows. In the context of technology, functionality is evaluated in terms of usability, efficiency, and effectiveness, and is fundamental to user satisfaction. Additionally, functionality can be classified into different levels, from basic functions to advanced features that may include integration with other systems, customization, and automation. The quality of a system’s functionality can directly influence its adoption and success in the market, making it a critical aspect to consider throughout the software development lifecycle.