# Outliner
The Outliner (Layer Panel) displays your scene hierarchy and provides quick access to layer controls. Use it to manage layers, organize complex projects, and navigate your scene structure.
## Outliner overview
The Outliner shows all layers in your scene as a hierarchical tree structure.
**Layer row components:**
Collapse arrow (expand/collapse child layers)
Layer name (editable text)
Layer actions (visibility, lock, focus)
## Hierarchy display
The Outliner shows layer organization as a tree with indentation showing nesting level. Tree lines connect parents and children.
**Expanding and collapsing:**
Click the arrow next to the layer name to expand/collapse
Reveals child layers or shapes
Keyboard: Arrow keys to expand/collapse selected layer
## Layer selection
**Single selection:** Click layer name or row
**Multi-selection:**
**Cmd/Ctrl + Click** — toggle layer in selection
**Shift + Click** — range select between layers
**Cmd/Ctrl + A** — select all layers
**Selection states:**
Primary selection (brighter highlight)
Secondary selection (darker, indicates child layers selected)
## Layer visibility
**Eye icon:**
Eye open = visible, eye closed = hidden
Hidden layers don't render on canvas
## Layer locking
**Lock icon:**
Lock icon = locked, unlock icon = unlocked
Locked layers can't be selected on canvas
Prevents accidental changes
## Layer naming
**Renaming layers:**
1. Select a layer and press **Enter**
2. Type a new name (max 128 characters)
3. Press **Enter** to confirm, **Escape** to cancel
## Layer reordering
**Drag and drop:**
1. Click and hold layer name
2. Drag up or down in list
3. Blue line indicates drop position
4. Release to drop at new position
Lower draw order = rendered on top