Revenue means shown usually top income statement from which all charges, costs, and expenses are subtracted to arrive at net income.
Revenue is income, or earnings whether by sales or profits.
It is income made by a company. Like income from comisson or discount received. The money made by selling goods is called profit.
revenue = sales = items x cost / item
profit = revenue - costs...costs = variable costs+ fixed costs
It's how much money you take in from whatever you're doing.