Magento 2.0.18 is the final 2.0.x release. After March 2018, Magento 2.0.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.
This reference has field descriptions for every configuration setting in Magento Open Source 2.0. To learn how to apply configuration settings to specific store views, see: Configuration Scope.
From the HTMLHyperText Markup Language: A standard for tagging and structuring text, images, videos, and other media on a web page. version of the guide, you can drill down through any section of the reference, and follow the links to corresponding topics in the user guide. From step-by-step instructions, click any linked caption below a screenshot to jump to the field descriptions.