function Dashboard() return ( <div> <Sidebar /> <MainContent /> </div> );

to control how nested elements are positioned within their parent container. You can find the course outline on CodeHS.

Option A: Relative Positioning (Modern UI libraries)

By nesting, you can control the position and size of child views relative to their parent. For instance, setting a parent to display: flex in CSS makes all children align in a row or column, without affecting elements outside that parent.

: It groups related elements together (like a profile picture inside a header bar).

In React Native, a View is the most fundamental component for building a UI. Nesting them allows you to create specific layout zones. Think of it like a Russian nesting doll: