What was la purisima concepcion used for?

La Purísima Concepción, also known as La Purísima Concepción de María, refers to the belief in the Immaculate Conception of the Virgin Mary, which teaches that Mary was conceived without original sin. This doctrine has been significant in Catholic theology and is celebrated in various religious practices and feasts. In a historical context, La Purísima Concepción also refers to missions and churches dedicated to this belief, particularly in Spanish-speaking regions, where they served as centers for evangelization and community gathering.