This should be used to denote questions pertaining specifically to sites running on the Magento Enterprise Edition platform. They need not be EE specific features.
Magento Enterprise Edition is the complete eCommerce solution for businesses that are ready to take full advantage of their online channel. This solution combines an unrivaled feature set with world-class support and virtually infinite flexibility, at a fraction of the price charged by competitive platforms. It is very useful on a large scale of eCommerce business
An overview can be found here: https://magento.com/products/enterprise-edition