You can adjust the volume on the far left.
The green bar represents the download progress.
The shaded gray directly above the green bar shows which part of the audio you are listening to. You can fast forward or rewind the audio by clicking inside the track information area.
Pressing the pause button will pause the audio – audio will resume at the paused location as long as you do not navigate or refresh the page.
Thanks for listening to wuog.org!