The document discusses the extended marketing mix or 7Ps model which is more applicable for services than the traditional 4Ps model. It describes each of the 7Ps - product, price, place, promotion, people, process, and physical evidence. People refers to the staff involved in service delivery. Process describes how the service is delivered to customers. Physical evidence includes tangible aspects that accompany the intangible service. The model suggests these elements are all important for optimal service delivery.