Magento 2.1.x Notice: Magento 2.1.18 is the final 2.1.x release. After June 2019, Magento 2.1.x will no longer receive security patches, quality fixes, or documentation updates. To maintain your site's performance, security, and PCIPayment Card Industry: Refers to debit and credit cards and their associated businesses. compliance, upgrade to the latest version of Magento. The Magento User Guide 2.1.x remains available in PDF for Open Source and Commerce.
Magento uses attributes to manage the information associated with products, customers, and product ratings. Attributes are pieces of information that might appear as fields in forms, reports, product reviews, layered navigation, and email messages. Some attributes are built into the system, and others can be created to address specific needs.