This assignment delves into the realm of business analysis, exploring several key models used to assess a company's internal and external environment. It examines SWOT analysis for identifying strengths, weaknesses, opportunities, and threats; PESTEL for analyzing political, economic, social, technological, environmental, and legal factors; and ratio analysis for evaluating financial health through liquidity, profitability, and solvency ratios. The assignment emphasizes how these models provide insights to guide strategic decision-making, product quality assessment, and operational planning.