Which window in Pro Tools is primarily used for editing audio?

The Edit Window is primarily used for editing audio in Pro Tools because it provides a detailed view of individual audio tracks, their waveforms, and various edit functions. This window allows users to perform precise edits such as cutting, copying, and pasting audio segments, as well as adjusting volume levels, adding effects, and applying audio processing. The layout is designed to facilitate detailed manipulation of audio materials, making it the go-to interface for any kind of audio editing tasks. Users can view the timeline, zoom in on specific parts of the tracks, and see the effects of edits in real-time, all of which are essential for detailed audio editing work.