Definition of AVAILABILITY. 1. : the quality or state of being available. 2. : an available person or thing.
Definition of EXECUTIVE OFFICER. : the officer second in command of a military or naval organization or vessel. ADVERTISEMENT. the officer second in command of a military or naval organization or vessel. ADVERTISEMENT.
A public officer is ordinarily defined as an individual who has been elected or appointed to exercise the functions of an office for the benefit of the public. Executive officers, such as the president or state governors, are public officers charged with the duty to ascertain that the law is enforced and obeyed.