Michael Porter's Five Forces model is used to analyze the competitive environment in an industry and determine an organization's position within it. The five forces include: the threat of new entrants, power of suppliers, power of buyers, threat of substitution, and competitive rivalry within the industry. For Surf Excel detergent in Pakistan, key factors analyzed are its established brand presence since 1948, distribution strategy changes over time, upper middle and high-class target consumer base, substitute brands available, and main competitors being Ariel and Bonus detergents.