What is the meaning of each financial ratio?

Dupont analyses Tax effect 0.83 0.93 Interest expense effect Operating profit margin 0.10 Total asset turnover 1.15 Financial leverage 3.04 improve efficiency -> increase total asset turnover improve financial leverage -> borrow more improve reduce interest expenses look at P/E to see it is a good investment or not if the companies have good financial ratios and not very high P/E -> good investment 0.92 0.96 0.11 1.51 2.86 -0.28 -1.17 0.01 0.39 3.15 0.41 0.18 0.08 0.27 3.04