1. The document discusses using a PESTEL analysis to analyze the political, economic, social, technological, environmental, and legal factors affecting a business. It provides examples of factors to consider in each category. 2. It also discusses Porter's five forces model of competitive strategy, which analyzes the competitive environment through the lens of rivalry, potential new entrants, supplier power, buyer power, and substitute products. 3. The document notes some limitations of Porter's model, such as assuming clear industry boundaries and not considering partnerships or how large firms can influence industry structure.