An economic good consisting of human worth in the form of labor, advice, managerial skill, etc., rather than a commodity. Services to trade include banking, insurance, transport, etc. Professional services encompass the advice and skill of accountants, lawyers, architects, business consultants, doctors, etc. Consumer services include those given by caterers, cleaners, mechanics, plumbers, etc. Industry may be divided into extractive, manufacturing, and service sectors. The service industries make up an ever-increasing proportion of the national income.