"Examine the principles of Total Quality Management $($TQM$)$ and their application in enhancing operational efficiency and product$/$service quality within manufacturing and service industries. Discuss the key components of TQM$,$ including continuous improvement, customer focus, employee involvement, and process management. Evaluate the role of TQM in minimizing defects, reducing waste, and optimizing resource utilization throughout the production$/$service lifecycle. Analyze case studies illustrating successful implementation of TQM strategies and their impact on organizational performance and competitiveness."