The term 'Number of Zodiac Signs' is referring to the TWELVE astrological signs that make up the traditional Western zodiac. These signs are Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius, and Pisces. Each sign is associated with a particular set of characteristics and traits, and is believed to influence the lives of those born under it. The number TWELVE is significant in many cultures, and is often seen as a symbol of completeness or wholeness.