Explain the concept of "Everything is a Widget" in Flutter.

beginner

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In Flutter, widgets are the basic building blocks of the UI. Everything you see on the screen is a widget - text, buttons, layouts, even the app itself. This includes:

Structural elements (like Text, Button)
Layout elements (like Row, Column, Stack)
Styling elements (like Padding, Theme)

This unified approach simplifies development and makes the UI predictable and composable.

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