Filters lets you determine which categories of items appear in Track View. When you click the Filters button, Track View opens the Filters dialog.
(Filters)
(Filters)You can also right-click the Filters button for quick selection of items.
To position a selected object at the top of the Track View Hierarchy:
In a viewport, right-click a selected object.
From the right-click menu, choose Curve Editor or Dope Sheet.
Track View opens with the selected object at the top of the Track View Hierarchy.
To display the animated transform tracks for an object in Track View:
Select an object, then open a Track View window.
(Filters).
(Filters) again.See Filters Dialog.