exists and is an alternate of . It refers to the difficulty in convincing people of something using only words compared to the use of action. Getting someone to believe this [thing] can do [whatever] is a lot easier when the thing actually does do whatever it is claimed to do.
Definition of margin for English Language Learners. : 1  the part of a page that is above, below, or to the side of the printed part. : 2  the place where something (such as a piece of land) stops : the edge of something. : 3  an extra amount of something (such as time or space) that can be used if it is needed.
Profit margin, also known as net margin, net profit margin, or net profit ratio, is the net profit as a percentage of net revenue â the percentage of selling price that turned into profit, i.e. the amount by which revenue from sales exceeds a businessâ costs. Put simply, it is a measure of a businessâ profitability.