The place where parents and children, husband and wife, and brothers and sisters all want to join together in true love is the ideal family.
What is an ideal family?
Explanations from Sun Myung Moon's speeches
Eventually, therefore, the positions of above and below, left and right, and front and back, together with the one central point, form the number seven. Forming the number seven means to become one with God through perfect true love and to form a family in which everything becomes a perfect sphere and achieves harmony and unification.