The View menu is present in both Dope Sheet and Curve Editor modes, but not all commands are available in both. Its controls let you adjust and customize how items in Track View appear.
Toggles the display of statistics for the selected keys in the function curve window (Curve Editor only). The statistics for a key typically include frame number and value.
This is useful because you see statistics only for the keys you are working on. See Show Selected Key Statistics.
Toggles display of tangent handles for all keys in the Curve Editor (see Editing Key Tangents). When off, handles appear for selected keys only.
When on, displays icons in the Hierarchy list as 3D shaded instead of 2D.
Toggles a key icon for each track that indicates and lets you define whether the track is keyable and can record animation data.
A red key icon indicates a keyable track, while a black key icon indicates the track is not keyable. to toggle between these, click the icon or use Keyable on the Edit menu Controller submenu. See Keyable Icon.
Toggles a lock icon for each track that indicates and lets you define whether the track is locked. When Lock Toggle Icons is on, you can click the icon to toggle the track’s locked status. Locking a track prevents manipulation of the data (such as position animation) controlled by that track.
The X Position track is locked; Y and Z Position are unlocked
Provides controls to filter the display in Track View. A wide range of options to show, hide and display data is available.