Icon explanation (from top to bottom)
File count- displays the number of the file you are on and the total number of files.
Playmode icon- allows you to adjust your playmode. Chose from play all, play by rating, play one, repeat one, and repeat all
Shuffle icon- Allows you to select your shuffle mode. Choose from Shuffle or Play in order
Equalizer setting- this will allow you to select from one of several equalizer presets, or a user defined preset.
Progress Bar- displays the progress of the file currently playing. You can drag the slider forward or backwards to fast forward or rewind the track to a specific point.