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.
DEFINITION of 'Executive Director'. The senior operating officer or manager of an organization or corporation.Executive director titles (EDs) are frequently reserved for the heads of non-profit organizations, and their duties are similar to a chief executive officer's (CEO) duties of a for-profit company.he executive director is responsible for the day-to-day management of the organization, working with the Board of Directors, and operating within a budget. Next Up.