To help understand customer requirements it is helpful to think in terms of needs, wants and demands of the customer. Needs are defined as ‘states of felt deprivation’ such as food and self-expression. Needs become wants when it is directed towards a specific object or service that is believed to satisfy that need. Wants are the manifestation of the human need that is shaped by the individual and their culture.
Wants become demands when the customer has the capacity and inclination to pay for the object or service.
Marketers divide the types of needs into stated, real, unstated, delight and secret needs as shown below: