Question: what are the elements of control and requirements that are essential for establishing control?
Answer: 1) Feedback. Feedback is the backbone of all control systems. ...  2) Control must be objective. ...  3) Prompt reporting of deviations. ...  4) Control should be forward-looking. ...  5) Flexible controls. ...  6) Hierarchical suitability. ...  7) Economical control. ...  8) Strategic control points.