Content = Character ID, and if you cancel that and do not revive in 3 months(or start paying again), you have a CHANCE of losing the character. Its just guranteed for 3 months then its up in the air.

Playonline ID- Seperate from the above, lets you log on POL, it comes with the game and is FREE, no fees involved. If you kill this however, you get a new game...