---
id: foundation-overview
title: Overview
sidebar_label: Overview
---

🚝 Monorail defines the qualities that can be expressed by UI regions, surfaces, and components. Design and strategize how your app is built using foundations that address design from both a broad and detailed perspective.

#### Layout, color, and more

This section describes the Material environment and layout, its possible interactions, and the unified expression of qualities like color, shape, and motion.