Planning involves setting goals and determining how to achieve them. It occurs at three levels: strategic, tactical, and operational. The planning process involves analyzing opportunities and threats, determining objectives, evaluating alternatives, selecting a course of action, and reviewing results. Tools used in planning include forecasting, network techniques, flow charts, Gantt charts, break-even analysis, and linear programming. Effective planning requires clear goals, comprehensive information, flexibility to change plans, and ensuring benefits outweigh costs. Decision making is selecting the best alternative from multiple options by identifying problems, finding solutions, evaluating alternatives, choosing an option, implementing it, and reviewing results. Decisions can be programmed or non-programmed, routine or basic, individual