A service is an act or use for which a consumer, firm, or government is willing to pay. Examples include work done by barbers, doctors, lawyers, mechanics, banks, insurance companies, and so on. Public services are those that society as a whole pays for. Using resources, skill, ingenuity, and experience, service provider's benefit service consumers. Services may be defined as intangible acts or performances whereby the service provider provides value to the customer.

A consumer is a person or a group who intends to order, or use purchased goods, products, or services primarily for personal, social, family, household and similar needs, who is not directly related to entrepreneurial or business activities. The term most commonly refers to a person who purchases goods and services for personal use.