Which strategy focuses primarily on enhancing efficiency through parallel task execution?

The strategy that primarily focuses on enhancing efficiency through parallel task execution is indeed based on changing the sequence of tasks. This involves restructuring the order in which tasks are performed to allow multiple tasks to be executed simultaneously, thereby reducing the overall time needed for process completion. By doing this, organizations can optimize the workflow and minimize delays, which is essential for improving efficiency in business processes.

In contrast, options such as redefining boundaries typically involve alterations to the scope of a process, addressing how different processes and stakeholders interact without necessarily concentrating on the parallelization of tasks. Redesign generally refers to a thorough reevaluation and restructuring of processes, which might enhance efficiency but does not specifically target parallel execution as a primary means of improvement. Simplification aims to reduce complexity by eliminating unnecessary steps, which can also enhance efficiency, but it does not inherently focus on executing tasks in parallel. Thus, changing the task sequence is the most direct approach for achieving efficiency through parallel execution.