What is a "satchel"?

A satchel is a type of bag that has one or two shoulder straps and a flat bottom, which allows it to stand upright. It is often used as a school bag or for carrying books, but can also be used as a fashion accessory. It has a flap that folds over the opening and is secured by a buckle or other type of fastener. Satchels can be made from various materials such as leather, canvas, or nylon and come in different sizes and styles to suit different needs and preferences. They are versatile and can be used for various purposes such as carrying work essentials, traveling, or for everyday use.