sentences:  The sign of the cross (three fingers imprinted on the forehead, torso, right then left shoulders) is the most fundamental religious action of the Orthodox Church and is performed very frequently in Orthodox worship.This action is, of course, done in remembrance and invocation of the Cross of Christ.This can be meant for protection from adverse powers, in reverence for something or someone, in cumpunction or love or for a multitude of other reasons not nearly so specific.