2009

Scene Materials Contains the definitions for all materials in the scene. It is
empty until you begin assigning materials to objects. When you select materials
in this branch, you are working with instances of materials assigned to objects
in your scene. These materials might not be in any of the Material Editor
samples.
Medit Materials Contains global material definitions. The Medit Materials
branch contains the 24 material definitions in the
Material Editor on page
5284. When you select materials from this branch, you are working with global
material definitions that might not yet be assigned to objects in your scene.
Objects Contains a hierarchy for all the objects in your scene.
When
Manual Navigation on page 3561 is on, many of these categories display
a small plus or minus button to expand/collapse the contents.
Item Categories
Each type of item in the Hierarchy list is represented by an icon. You can use
these icons to quickly identify what each item represents.
Objects Branches contain linked descendants of the object. Branches
below contain transforms, materials, and modifiers applied to the object, as
well as the object's creation parameters.
Controllers They contain the animation values for parameters and are the
only item in the Hierarchy list that can have a track containing keys. Every
controller has an individual icon
Examples of controller icons
Certain types of controllers can contain other controllers. Examples of these
are Transform Controllers and List Controllers.
Track View Hierarchy | 3537