How do the current and quick ratios differ?

1. How do the current and quick ratios differ? Which is a more conservative measure of short-term liquidity? Support your answer.
2. How does the operating cash flow ratio differ from the current, quick, and cash ratios?
3. What are you trying to learn by calculating debt-management ratios?
4. Why are higher asset turnover ratios considered to be better than lower turnover ratios?