What is a page margin and its types

PAGR MARGIN: the area between the main content of a page and the page edges, it also helps to define where a line of text begins and ends.

TYPES OF MARGIN: Types of Margin. First, there is the cost of goods sold, or cost of revenues. This represents the expenses most directly involved in creating revenue, such as raw materials and labor costs for a manufacturer or the wholesale price of goods for a retailer.