The efficient and effective operation of a business, and study of this subject, is called management. The major branches of management are financial management, marketing management, human resource management, strategic management, production management, operations management, service management and information technology management.[citation needed]
Owners engage in business administration either directly or indirectly through the employment of managers. Owner managers, or hired managers administer to three component resources that constitute the business' value or worth: financial resources, capital or tangible resources, and human resources. These resources are administered to in at least five functional areas: legal contracting, manufacturing or service production, marketing, accounting, financing, and human resourcing