The Objects list shows all the objects in the current animation. This list is arranged hierarchically,the first object created at the bottom of the list, and the most recent at the top. Expand the list to display object properties grouped in categories. 

Use:         To:

            Display or hide object properties, categories or subcategories.

            Display or hide object .

            Turn keyframing on or off

Property Categories

In the Timeline Objects list, expand an object to display its properties and property categories. Expand each category to display subcategories and individual properties. 

Use:         To:

    Transform     Display position, scale, and rotation properties.

    Transparentcy  Dispaly object's Transparentcy

    Form           Dispaly object's form 

To activate an object in the Timeline:

1. On the Scene window , click the object.
2. In the Timeline Objects list, click the object name.