This document provides an overview and summary of customer service concepts and how they apply to Mango stores in Lebanon. It begins with definitions of customer service and discusses key aspects like the phases of customer service, benefits, what it consists of, motivation, empowerment, and customer satisfaction. It then provides an empirical section analyzing how these concepts are applied at Mango stores, specifically looking at customer service, motivation, empowerment, and satisfaction restoration practices. The document utilizes both theoretical research and a case study interview with a Mango store manager to analyze how customer service is implemented in practice.