👉 A pack is a small, portable, or lightweight container that is often used to store items such as clothing, electronics, and other personal belongings. A pack is typically made from materials like plastic or metal and can be easily carried around by hand or with a backpack. A sack or bag is another type of pack that is commonly used for carrying larger quantities of items. These bags are usually made from heavy-duty materials like wood or canvas and have handles to help you carry them without the need for a