This document discusses concepts and skills related to modern supervision. It defines a supervisor and their responsibilities, which include planning, organizing, staffing, leading, and controlling. The document outlines different types of supervisory skills like technical, human relations, conceptual, and decision-making skills. It also discusses theories from thinkers like Taylor, Fayol, and Maslow that influenced views of management skills and a supervisor's focus on efficiency, functions, and people. Characteristics of a successful supervisor are given as being environment friendly, having a positive attitude, being loyal, fair, and able to delegate.