The people who work for a company, all the people on its payroll, are its employees, personnel, staff, workers or workforce. But these words can mean just the people carrying out the work of a company, rather than those leading it and organizing it= the management. Administration, or informally 'admin', is the everyday work supporting a company's activities and it is often done by 'administrative staff' or 'support staff'. For example, those giving technical help to buyers of the company's products are in 'technical support'.

Definitions of management: noun the act of managing something Example: is the direction of the economy a function of government? those in charge of running a business 2)Definitions of administration noun a method of tending to or managing the affairs of a some group of people (especially the group's business affairs) the persons (or committees or departments etc.) who make up a body for the purpose of administering something Example: the governance of an association is responsible to its members|he quickly became recognized as a member of the establishment the act of administering medication the tenure of a president the act of governing; exercising authority Example: he had considerable experience of government the act of meting out justice according to the law

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