This document discusses services and service marketing. It defines services as deeds, processes, and performances provided by one entity or person for another. It then lists and categorizes common types of services, including healthcare, financial, hospitality, travel, and professional services. The document notes that services have intangible and heterogeneous qualities, unlike standardized products, and are simultaneously produced and consumed. Finally, it states that the line between products and services is blurring, with products taking on more service elements and vice versa.