Magento is the most basic product type in Magento. It has no variant and is sold independently with a single SKU. However, it can also be bundled up for sale as a bundle product, configuration product, bundle product.
Magento has a feature that is a persistent shopping cart that allows products to be saved in the customer's cart even if the customer is logged out of your website without placing an order or payment. And customers can complete the order and pay without having to search again for the product they previously wanted to buy.