The Hierarchy section is a tree view of all the items that are on the stage, arranged by their parent/child relationships.
Each row in the Hierarchy section represents an item on the stage. A circle button with an arrow appears next to items that have children nested under them. This button allows you to expand and collapse the list of children.
To change the parent/child relationships of objects you can either drag and drop, use the Pick Parent tool (press P to active it), or use the Pick Child shortcut (press C to active it).
Drag and drop to change parent/child relationships.
Double click on a name to change it.
Double-click on anything to rename it.
Hover over a hierarchy item and click the hide icon to toggle its visibility. Hidden items are not visible or selectable on the Stage and they are also not visible in the Timeline.
Visibility and Children
By default, toggling the visibility of an item also toggles the visibility of all its children.
Toggling visibility of an item also toggles the visibility of its children.
Don't Toggle Childrens' Visibility
To toggle only the visibility of the hovered item without affecting its children, hold Cmd in Mac and Ctrl in Windows while clicking the visibility icon.
Hold Cmd/Ctrl to not affect children when hiding an item in the Hierarchy.
Toggle Visibility of Others
Hold Alt when clicking the visibility icon to hide all other items, apart for the hovered item and its children.
Hold Alt to toggle visibility of others.
Lock items in the Hierarchy to prevent selecting them on the Stage. Locked items can still be selected in the Hierarchy.
Lock items to prevent selecting and manipulating them on the Stage.
Scroll to Items
Hover your mouse cursor over an item on the stage and press H to scroll the Hierarchy to this item. This is a quick way to navigate the Hierarchy, particularly in very large files.
You can filter the entire contents of the Hierarchy Panel by pressing CMD﹢F on Mac, orCTRL﹢F on PC.