Taurus 2006 Astrologers work with the twelve signs of the zodiac.Β Β These signs can seen as archetypes. Interestingly, Peter Senge in his business book ‘The Fifth Discipline’ refers to twelve systems archetypes: “Presently researchers have identified about a dozen systems archetypes, nine of which are presented in this book”. Although Senge’s archetypes are not the same as the zodiac signs, the …