"Total Quality Management $($TQM$)"$ has been recognized as a significant approach to organizational excellence. Discuss the concept of TQM$,$ outlining its significance in fostering quality$-$driven practices and continuous improvement. Explain the key principles and components of TQM$,$ illustrating how they contribute to enhancing product$/$service quality, customer satisfaction, and organizational performance. Provide examples of companies that have successfully implemented TQM$,$ detailing their strategies, quality initiatives, and the impact on their competitive advantage and market positioning. Additionally, analyze potential challenges organizations might face in implementing TQM and propose strategies or frameworks to overcome these obstacles, ensuring effective integration and sustained benefits within diverse business environments.