If there has been an oversight, someone has forgotten to do something which they should have done. By an unfortunate oversight, full instructions do not come with the product
periodic review of a program's effectiveness or the success of plan implementation to determine if objectives are being met Reviews could take place monthly, quarterly, annually, or even less often based on the need
If someone has oversight of a process or system, they are responsible for making sure that it works efficiently and correctly. a new system, where there'll be greater oversight of doctors = supervision
a mistake resulting from inattention an unintentional omission resulting from failure to notice something