There are six key elements of organizational structure, according to Emaytrix.com. They are work specialization, departmentalization, chain of command, span of control, centralization and decentralization and formalization.
The first element, work specialization, is when an organization's tasks are divided into separate jobs. The second element, departmentalization, is the process of grouping jobs together. There are five forms of departmentalization: functional departmentalization, product departmentalization, geographical departmentalization, process departmentalization and customer departmentalization. The third element, chain of command, refers to the continuous line of authority from upper organizational levels extending down to lower organizational levels. Chain of command also clarifies who reports to whom. The three important concepts of authority, unity of command and responsibility are attached to chain of command.