This document discusses key concepts in services marketing, including:
1) Services have intangible and heterogeneous qualities that make them different than goods to market.
2) The services marketing triangle shows the internal, interactive, and external aspects of marketing services through management, customers, and employees.
3) The expanded 7Ps marketing mix for services includes product, price, place, promotion, people, process, and physical evidence.
4) The gaps model of service quality outlines gaps that can occur between customer expectations and perceptions and a company's understanding, design, and delivery of services.