Shopping-list line is a term used to describe the process of creating a list of items that need to be purchased. It is often used in grocery stores, where customers create a list of items they need to buy and then proceed to the checkout counter to purchase them. The term can also be used in other contexts, such as when planning a party or gathering supplies for a project. Shopping-list line is an important part of the shopping process, as it helps to ensure that all necessary items are purchased and nothing is forgotten.