The term "product improvement" refers to any changes or modifications made to a product in order to enhance its quality, performance, functionality, or other characteristics. This can include adding new features, improving existing ones, enhancing design or appearance, increasing durability or reliability, reducing costs, and addressing customer feedback or complaints. The goal of product improvement is to make the product more appealing to consumers, thereby increasing sales and market share. It is a critical aspect of any successful business as it helps to maintain competitiveness in the marketplace by providing better value to customers through continuous innovation and enhancement of products.