Build configuration refers to the settings and parameters that define how a software project is compiled and assembled. This includes specifying the source code files, libraries, and dependencies needed for the build process. It ensures that the final product is created correctly and functions as intended. In software development, build configurations can vary based on the environment, such as development, testing, or production. Each environment may require different settings, such as optimization levels or debugging information, to meet specific needs. Proper build configuration helps streamline the development process and reduces errors in the final application.