For a UI element that must remain fixed at the top of the screen while the rest of the content scrolls underneath it, what specific Figma feature is applied to achieve this behavior?

The specific Figma feature applied to make a UI element remain fixed at the top of the screen while the rest of the content scrolls underneath it is called 'Fix position when scrolling'. When you select a layer or group in Figma and go to the Prototype tab in the right-hand inspector panel, you'll find this setting. By default, layers and elements scroll with the rest of the content on th....