Revenue in business refers to the total amount of money generated from a company's normal business operations, typically calculated as the average sales price times the number of units sold. It is also known as the top line or gross income, from which costs are subtracted to determine net income. Revenue is different from income or profit, as income is the total earnings or profit of a company after expenses are deducted. Revenue is a key financial metric that indicates how effective a company is at generating sales and revenue. It can be generated from various sources, including the sale of goods, services, and assets, as well as interest and equity increase accrued over a given time period