whats the other section that shows up when connected iphone?

[tbluhp]

this shows up when my idevice is plugged into itunes and i see x amount if spaced used for other what is it how to find out and delete if needed? yellow selection

 

[Jolly Giant]

the other would be the OS, methinks.

 

[iFiend]

the other would be the OS, methinks.

This is correct.

It also includes the extra files associated with a jailbreak, I believe.

 

[Carl G35c]

This is correct.

It also includes the extra files associated with a jailbreak, I believe.

correct, jailbreak apps and storage are associated with other