Gross Profit Margin: The ratio of gross profit to total revenue, reflecting the percentage of revenue left after subtracting the cost of goods sold.
Net Profit Margin: The ratio of net income to total revenue, representing the percentage of revenue that remains as profit after all expenses, including taxes, have been deducted.
Operating Profit Margin: The ratio of operating income to total revenue, focusing on the profitability of a company's core business operations, excluding the impact of financing and tax-related activities.