Two Playhead moving scale

[MahaB82A]

What is the different between these two playhead moving scale?

[Jqke · Accepted solution]

The one at the top is just for previewing the layer or source. The bottom one is for playing the composition. So the difference is that the layer plays the whole clip without any effects and without any trimming.

Click this button to get back to the composition:

[MahaB82A]

Thanks for the help