This document outlines the key aspects of system planning. It discusses the nature of planning, including that it is goal oriented, forward looking, and involves choice. The planning process involves 7 steps: setting goals, identifying resources, considering alternatives, evaluating alternatives, selecting a solution, implementing the plan, and controlling/evaluating results. There are different types of planning based on time frame (long/short term) and organizational level (strategic, tactical, operational). The document also covers roles and responsibilities in planning as well as advantages like facilitating management and minimizing uncertainties, and disadvantages such as cost and time.