The symbol "喜" (pronounced as Xǐ) represents joy or happiness in our lives. The positive vibe of "喜" brings luck and casts away negative energy around us.
"喜喜" (pronounced as ShuāngXǐ ) means double happiness, is commonly found in Far East Culture where two families unite and double happiness is used for joyous occasions, especially weddings.
It represents good fortune and supreme happiness. A happy marriage and children, a job promotion, a thriving business, and home improvement.
Either Joy or Happiness, "喜" is the fundamental of a successful and blissful life.