Frame Range(フレーム範囲)

Frame Range panel.

This panel defines how long an animation will last in terms of frames. Frames can be divided by the scene's Frame Rate to get the animation duration in terms of time. For example, a 250 frame animation at a frame rate of 30 will last 8.3 seconds.

Frame Start, End(開始フレーム/フレームの終わり)

Set the Start and End frames for Rendering Animations.

Step

Controls the number of frames to advance by for each frame in the timeline.

Time Remapping

Use to remap the length of an animation.

Old(旧)

The length in frames of the original animation.

New(新規)

The length in frames the new animation will last.