VF page is similar to a standard Web page, but includes powerful features to access, display, and update your organization's data. VF is a framework that allows developers to build sophisticated, custom UI that can be hosted natively on the Lightning platform. VF consists of a tag-based markup language that gives developers a powerful way of building applications and customizing the SF UI. With VF you can: Build wizards and other multistep processes. Create our own custom flow control through an application.