principles of management

Centralisation - the act of consolidating power under a central control

Scalar Chain - is the number of different levels of authority through which decisions are passed in the organisation.

Division of work - spread out all tasks and responsibilities among the whole work group, by means of expertise and specialties.

Centralization :
The situation under which only top management has the authority to make important decision

Division of work :
The breaking down of the total work into a number of smaller tasks that can be easily performed by individual