This document outlines key concepts in organizational strategy. It discusses sustainable competitive advantage, the strategy making process, and different types of corporate, industry, and firm-level strategies. Specifically, it defines sustainable competitive advantage as a competitive edge that cannot be easily duplicated by competitors. It also describes the main steps in strategy making as assessing the need for change, conducting a situational analysis, and choosing strategic alternatives. Finally, it explains the different types of strategies including portfolio strategies, grand strategies, positioning strategies, and adaptive strategies.