Each animation type will appear with a color in the Animation timeline.
You can add folders to structure your animations, these are yellow in the timeline.
Furthermore you can import models that contain animations such as Keyframe animations and Deformable meshes. These will appear as purple and orange nodes.
Common for the animation types (except Curve Fade animations*) are the Time Settings, where you can control the timing and duration of your animation.
Motion EaseSelect if you want the add motion ease to the animation - see the Motion Ease types.
StartSet the start time for the animation
EndSet the end time for the animation
Durationthe duration will automatically be calculated from the Start and End time. Alternatively you can enter the Duration and Start time - This will automatically fill the End time.
*Curve Fade animations have the easing "built in" to the type itself. learn more on the Animation Node Types page.