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 Chief Executive Officer (CEO) is essentially the highest-ranking executive in the company. He has most of the power. He reports directly to the board of directors. Other names for the position of CEO include Managing Director (MD), Chief Executive (CE), and Executive Director (ED).