This document discusses planning, including the types, nature, importance, steps, levels, and techniques of planning. It defines strategic, tactical, and operational plans as the primary types of planning. The nature of planning is described as an intellectual, continuous process that is crucial, flexible, and contributes to objectives. Planning is said to improve utilization of resources, effectiveness, coordination, and decision making while reducing costs and risks. Key steps in planning include defining the situation, setting goals and alternatives, evaluating options, and implementing with feedback. Planning techniques discussed include Gantt charts, critical path method (CPM), and decision trees.