# Welcome to Quaestio
This site probably looks a little different from what you're used to. That's because it uses **stacked pages**—meaning you can view multiple sources of content *simultaneously*, rather than just scrolling.
This help section is designed to ease your navigation. Here’s what you need to know:
## Key Tips
## 1 Opening a Folder
This site uses both **pages** and **folders**. Here’s the difference:
- **Pages** are single documents.
- **Folders** are collections of pages.
#### How to Identify & Open a Folder
1. Look at the **sidebar**.
2. **Folders** are marked with a small **triangle >** beside their title.
3. Click the triangle to **expand** the folder and view its pages.
## 2. Closing a Page
- Click the **X** at the bottom of the screen to close any page.
## 3. Call-Out Sections
- Look for **colored, expandable boxes** in some pages.
- Most include extra resources like a link or embedded video.
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> **Note**: This guide is meant to make your first Quaestio experience smoother. Question everything, and have fun!