Customer service refers to the assistance and support provided to customers before, during, and after their purchase or use of a product or service. It encompasses various interactions aimed at ensuring customer satisfaction, resolving issues, answering inquiries, and enhancing the overall experience with a brand or organization. Customer service can be delivered through multiple channels, including in-person support, telephone, email, live chat, and social media. Effective customer service involves understanding customer needs, addressing concerns promptly, and maintaining a positive engagement to foster loyalty and repeat business. The ultimate goal of customer service is to create a favorable impression and build strong relationships between the customer and the company.