This document provides an in-depth analysis of the key approaches to operation management at Tesco, a well-known UK-based company. It explains the role and features of leaders and managers, compares their responsibilities, and discusses their impact on the organization's performance. The document also explores various theories and models of leadership and management, such as situational leadership theory, task-oriented theory, and contingency theory. Additionally, it highlights the importance of effective management and leadership in achieving organizational goals and managing operational challenges.