What is the Meaning & Definition of margin

The term margin holds several references according to the context in which it is used.
At the end of a thing or the edge of another, such as for instance a river, it is known popularly known as margin. Thus, the Bank of a river is called in this way, then, if we were standing in the middle of a river, looking towards where the same running water down, the right margin will be the shore that is in our sense of right and the left bank, by default, which is located on our left side.
On the other hand, also called margin to that space blank in each of the four sides featuring a page either handwritten or printed. In a way which promotes the presence of margin is a better organization of the text that will make it more readable in the eyes of those who read it.
Also, the term is used most often when you want to do some kind of temporal reference. With my team, we have a margin of 20 calendar days to deliver the special work that we assigned in math.
Another use is that realizes an opportunity or an opportunity. The scandalous behavior of John at the party gave margin to all kinds of comments.
Also, at the behest of the economy the Word Bank has a special meaning, because in this context, the margin, or profit margin, as it is called in some cases represent the amount of the benefit which leaves the conduct of a trade or that can be obtained if it is specific. More precisely the margin is the difference between the sale price excluding VAT which has a product and the costs of production that it was.
Meanwhile, a very common expression linked and making reference to the term is on the sidelines, used when you want to give is that someone is presented paragraph or that he did not share any.
And finally we have the dynamic range which is the relation ruido-senal presenting an electronic signal.