3.1 Use the Timeline panel to organize content in space and time.
a. Manage and organize layers.- Key Concepts: creating, deleting, locking/unlocking, duplicating, selecting, naming/renaming layers; visibility, outline mode, layer height, rearranging layer folders, Advanced Layers Mode, etc.
b. Recognize the different types of layers in the Layers panel.
- Key Concepts: Normal, Mask, Masked, Folder, Guide, and the Camera layer.
c. Manage content over time.
- Key Concepts: frames, frame span, keyframes
3.2 Modify layer visibility using transparency and masks.
a. Adjust a layer's visibility and transparency.
- Key Concepts: hide/show individual layers or groups and adjust transparency
b. Create, apply, and manipulate masks.
- Key Concepts: Mask layer, nesting masked layers, animate mask layer, etc.