Decision making involves selecting a course of action from alternatives to achieve predetermined objectives. It is a managerial function that facilitates business policies and efficient performance. Problem solving is concerned with overcoming obstacles and may or may not require action. It involves discovering, analyzing, and solving issues. Key aspects of decision making and problem solving include understanding the problem, developing alternatives, selecting the best option, and reviewing the results. Common techniques used are brainstorming, hypothesis testing, and trial and error.