Jack: A young male or a young masculine energy. Youthful energy male or female.

Jack of Spades: Someone younger than you. Could also be a jealous, worried or angry person. This person may get in the way of progress.  Can also represent a well meaning person but could be immature or unreliable. Also represents Zodiac Energy Air Signs. (A young Gemini, Libra or Aquarius)

Jack of Diamonds: A younger person who is coming into money or who has wealth. A young person pursuing financial gain. Zodiac Energy of Earth Signs (Taurus, Virgo, or Capricorn.)

Jack of Hearts: Someone younger or someone who acts young who is good-hearted and loving. Could have water sign. (Cancer, Scorpio, Pisces). Mostly a male but can also be a female. An admirer. A close friend. Could be a family member. Could be someone who you have known a long time.

Jack of Clubs: A younger person or someone with young energy who is a reliable person who is in pursuit of ambitions and goals. Could have the zodiac of  Fire(Aries, Leo or Sagittarius).