"D.A" can refer to various things, so I'll provide information on some of the most common meanings:
D.A. can refer to "District Attorney", which is a lawyer who represents the state or federal government in criminal cases. The district attorney is responsible for prosecuting criminal cases and ensuring that justice is served.
D.A. can also refer to "Drug Administration", which is an agency responsible for regulating and overseeing the safety and efficacy of drugs and medical devices. In the United States, the agency responsible for this is the Food and Drug Administration (FDA).
D.A. can also refer to "Direct Action", which is a form of political activism that involves direct, nonviolent action to achieve a specific goal or bring attention to an issue.
D.A. can also stand for "Daily Allowance", which refers to the recommended amount of a particular nutrient that a person should consume each day.
If you could provide more context or information on what specifically you're looking for regarding "D.A.", I can try to provide more specific information.
