Yes, net is after tax. Gross is before tax.

net indirect tax = tax - subsidies

Net income is what you get after tax, gross income is before tax.

Net sales - CoGS = Gross Profit

Gross Profit - other expenses = Net profit before tax

Net profit before tax - tax amount = Net profit after tax

Net profit before interest and tax amount is selected for cash flow from operating activities and after that interest and tax is deducted while net profit before tax means net profit is adjusted for interest already while net profit before interest and tax means net profit is not adjusted for interest as well as for tax.