Hi there, I have been given a £50 overdraft with Abbey. I have been charged in the past for going overdrawn. However, I do not really know what an overdraft is. After they gave me the £50, my account showed £50 added to my balance. Now, however, my balance is showing a negative balance, but my available balance is a positive amount. Will I be charged again as my balance is showing a negative, or is that just showing how much i have gone overdrawn? Thanks!