The `Return()` function is commonly used in programming to exit a function and optionally send a value back to the part of the code that called it. When `Return()` is executed, the function stops running, and control is returned to the caller, which can then use the returned value for further processing. In many programming languages, such as Python, Java, and C++, `Return()` can be used to provide results from calculations or to indicate the success or failure of a function's operation. This makes it a crucial part of writing efficient and organized code, allowing for better data management and flow control.