Original: Party of the Democratic Revolution (Partido de la Revolución Democrática, PRD): a center-left party founded in 1989 by the coalition of socialists and liberal parties, the National Democratic Front which had presented the candidacy of Cuauhtémoc Cárdenas in the 1988 elections.
Simplified: PRD: the Party of the Democratic Revolution (Partido de la Revolución Democrática).