Net profit, or net income, is used to estimate a business’s profit from the total revenue. The term is often referred to as a company's 'bottom line'. It is a measure of a business’s success or otherwise.
Take a look at the video below by the Corporate Finance Institute about Net Income and check the link below if you want to read more about it.
"Net Income" on corporatefinanceinstitute.com
"Net profit definition: what is net profit?" on capital.com