Astrological sign of a sign are together sufficient to define it, they can be grouped to indicate their symbolism. The first four signs, Aries, Taurus, Gemini and Cancer, form the group of personal signs. The next four signs, Leo, Virgo, Libra and Scorpio form the group of interpersonal signs. The last four signs of the zodiac, Sagittarius, Capricorn, Aquarius and Pisces, form the group of transpersonal signs. Dane Rudhyar presented the tropical zodiac primary factors, used in the curriculum of the RASA School of Astrology. The tropical zodiac is the zodiac of seasonal factors as opposed to the sidereal zodiac (constellation factors).
Chinese zodiac normally refers specifically to a sheep in the Korean language (where a native Korean word 염소 "yeomso" is used to mean "Goat"), although the Chinese source of the loanword "yang" may refer to any goat-antelope. The Japanese zodiac includes the "Sheep" ("hitsuji") instead of the "Goat" (which would be "yagi"), and the "Wild boar" ("inoshishi", "i") instead of the "Pig" ("buta"). The Japanese have, since 1873, celebrated the beginning of the new year on January 1 as per the Gregorian calendar. The Vietnamese zodiac is almost identical to the Chinese zodiac except the second animal is the "Water Buffalo" instead