The most common meaning of 'Profit' is Net Income - the income that is left over after all expenses (COGS, operating expenses, interest, and taxes) are deducted from sales.
calculation: Profit = Sales - Costs and Expenses
calculation: Profitability or Profitability Ratio = Profit/ Sales
Other names for Profit include Net Income, Net Profit, Earnings, or 'the bottom line'.
Other names for Profitability include Profitability Ratio, Return on Sales
There are other kinds of profit:
Calculation: Sales less COS less Operating Expense
term list.