The movement of a planet toward another planet, cusp, or sensitive point, as an aspect forms between them. Some authorities have used the term approach as synonymous with apply. The faster moving body is said to be applying to an aspect of the slower moving one. Precision in this regard might indicate for example, that Saturn in direct motion could be applying to an aspect of a retrograde Jupiter, although generally speaking Saturn can apply to an aspect of Uranus, Neptune or Pluto only. Aspects are more powerful when forming than when separating. If either planet be retrograde the influence is said to be injurious, or the promised result so subject to delay that it is of little value when it materializes.