Fades

Fades:
At the Start or end of a Track you can add a fade to the track. You know you are on the fade function when the mouse turns to a square. it can be selected and deleted if not needed.

Cross Fade:
if you edit > fade > create you can add a cross fade which can be used to fade out the strange pops you get with audio.

Volume control:
 There is a wave form button that lets you change.