Marketing involves managing profitable customer relationships by attracting new and retaining current customers. It is defined as a social and managerial process where people satisfy their needs and wants through creating, offering, and exchanging products of value. Marketing has evolved from a production concept focused on factory and existing products to a marketing concept focused on customer needs, integrated marketing, and profits through customer satisfaction rather than sales volume alone. The core concepts of marketing center around products, markets, needs/wants/demands, value/cost/satisfaction, exchanges, and relationships. The societal marketing concept holds that a company's task is to determine target markets' needs and interests and satisfy them more effectively than competitors in a way that enhances consumer and soci