Define each category: Liquidity ratios measure a company's ability to meet short-term obligations (e.g., current ratio, quick ratio). Profitability ratios assess a company's ability to generate profit (e.g., net profit margin, return on equity). Solvency ratios evaluate a company's ability to meet long-term obligations (e.g., debt-to-equity ratio). Efficiency ratios measure how effectively a company uses its assets (e.g., inventory turnover, asset turnover).