The document discusses tools and techniques for performing an external assessment and industry analysis. It describes conducting an external audit to identify opportunities and threats in the external environment. A key part of the analysis is Michael Porter's five forces model which examines the level of competition in an industry based on factors like rivalry among existing firms, potential for new entrants, and bargaining power of suppliers and consumers. The document also outlines using matrices like the EFE and CPM to evaluate a firm's external factors and compare its strengths against major competitors.