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 in American English) or managing director (MD in British English) describes the position of the most senior corporate officer, executive, or administrator in charge of managing a non-profit or for-profit organization.n the US, the term chief executive officer is used primarily in business, whereas the term executive director is used primarily in the not-for-profit sector. These terms are generally mutually exclusive and refer to distinct legal duties and responsibilities which are incompatible.