The phrase "small fee" refers to a small amount of money that is charged for a particular service or product. It typically indicates that the cost involved is minimal and not significant enough to deter someone from purchasing something or using a certain service. The term can be used in various contexts, such as when referring to a charge for accessing information online, making a purchase at a store, or utilizing a particular facility. In essence, it means that the cost is low and affordable enough for most people to pay without feeling significant financial strain.