Layers

Layers Panel

https://helpx.adobe.com/illustrator/using/layers.html

Flattening

1. Window>Layers
2. Select Multiple Layers
3. Layers Menu>Merge Layers

InDesign Level 1

• Interface
• Navigation Controls
• Workspaces
• New Document
• Working with Text
• Working with Graphics
• Colors, Swatches Gradients
• Styles
• Arrange and Align
• Layers
• Transforming Objects
• Thread Text Frames
• Edit Text
• Tables
• Document Delivery
• File Export for Print and Web