There are two main types of business decisions - programmed decisions which follow set rules, and non-programmed decisions which require creativity. Making decisions involves recognizing the problem, gathering information, developing alternatives, choosing a solution, implementing it, and evaluating. Models for decision-making include rational, bounded rationality, garbage can, decision theory using decision trees, and game theory for decisions involving multiple parties. Strategy involves integrating goals and policies into a cohesive plan through formulation, implementation, and adaptation.