anno Domini, Latin for "year of the Lord." Refers to specific years of an era beginning with the sometimes supposed year of Christ's birth. It was introduced in the 6th century of this era by a monk, Dionysius Exiguus. Example: A.D. 2000.

Anno Domini, Latin for Year of the Lord. A system of numbering from the once-supposed year of the birth of Christ. This method was introduced by the monk Dionysius Exiguus during the first half of the 6th century (A.D.).

abbreviation for Latin Ano Dominae, Year of the L‑rd; Common Era

Abbreviation for the Latin phrase "Anno Domini," which means "in the year of our Lord." Used to refer to dates starting with the year 1 (i.e., this is the year A.D. 2003).

Assitant Director. This is a position on a film or TV production, for someone who assists the director. There are usually many Assistant Directors. Each one usually has a specific task. One A.D. might be in charge of making sure the extras get to where they need to be. Usually on a set, actors check-in and take directions from an A.D.

Assistant Director. An assistant to the director, the first A.D. runs the set, plans the cost-efficient scheduling of locations and talent, schedules the days' shooting and is responsible for carrying out the director's instructions. The second A.D. signs actors in and out, handles paperwork relating to the number of hours worked, and is usually the person in charge of production assistants.