# 4. Screens and navigation

Expand our Buzzy app from a single screen to multiple screens, connecting them with screen-based navigation. We'll demonstrate how to define 'Basic' and 'Overlay' screens, configure navigation actions, and ensure responsive design. We also address issues like screen scrolling and fixed-position elements using Figma's settings.

{% embed url="<https://youtu.be/RtQspMzUsp0>" %}

**Key words**: Layout, screen, start screen, basic screen, overlay screen, navigation, actions, autolayout, flex, responsive, frames, layers, scroll, positioning, fixed, sticky, nesting, publish, update, preview