 Following the growth of the Cursillo movement in Spain in the 20th century, similar retreats have become popular, either using licensed Cursillo material or independent material loosely based on its concepts, leading to the development of the three day movement.The translation of khalwa from Arabic is seclusion or separation, but it has a different connotation in Sufi terminology.In Sufi terminology, khalwa is the act of total self-abandonment in desire for the Divine Presence.