The top-level module in top-down design is sometimes called the ____________module.

The top-level module in top-down design is sometimes called the "main" module or "control" module. In the context of software development, particularly in structured programming and systems design, the top-down design approach aims to break a system down into smaller parts or modules. The main module serves as the highest level of abstraction in this hierarchy, coordinating the operations of the subordinate modules and handling overall control flow. This method emphasizes decomposing a problem into manageable subproblems, allowing for easier analysis, design, implementation, and testing of complex systems. By focusing on the main module, developers can establish a clear structure for the program, ensuring that each submodule performs its designated tasks effectively.