Line Item refers to a unit of advertising that is sold by the publisher to the advertiser. It specifies the details of the sale, such as site, section, ad size, date(s) to run, cost, etc. There are 3 levels in a sales document i.e. header level, item level and schedule line. Line item falls in the Item Level. Line Item relates to material details or the item details such as item number, name of material, quantity etc. Line Item contains the value and quantity also which are not normally found at Header Level. Examples of Line items are: Material, Order Quantity, Material Group, Plant, Shipping Point, Route, Customer Material, Sales Unit, Price/Discount/Tax/Freight per unit, etc.