Ø Public sector is the organization owned or run by the government or government agencies.
Ø Public sector 多为政府或者政府机构所拥有的，private sector 私人组织或个人所拥有的，多为commercial 商业目的而建立
Ø Geographic departmentation ：Where the organization is structured according to geographic area,some authority is retained at Head Office but day-to-day operations are handled on a territorial basis.
Ø Divisionalisation ： It is the division of a business into autonomous regions of product business, each with its own revenues, expenditure and capital asset purchase programs, and therefore each with its own profit and loss responsibility.
Ø Internal control ：An internal control is any action taken by management to enhance the likelihood that established objectivity and goals will be achieved. Management plans, organizes and directs the performance of sufficient actions to provide reasonable assurance that objectives and goals will be achieved.
Ø internal check ：An internal check is defined as the checks on the day-to-day transactions whereby the work of one person is proved independently or is complementary to the work of another, the object being the prevention or early detection of errors and fraud.