Content panel
This area appears when you double-click an audio clip. At the moment, it only contains the waveform view.
You can close the content panel by pressing the button on the left side, which appears as soon as your mouse hovers over the area.
Cut
Length of the source cut. You can adjust it and learn more about it in the inspector under expert settings.
Zoom to content
Shows the complete audio content as defined by the original length of the audio source and the source cut setting.
Ruler
Shows the bars and beats if the clip is synchronized to the project tempo.
Drag up or down to quickly zoom into a specific portion of the waveform.
Source cut start position
You can adjust the source cut and learn more about it in the inspector under expert settings.