The Fixed Mode denotes stability, perseverance, determination, willpower, resolution, purpose and the ability to pursue a set course of action to completion. Fixed mode individuals are the planners of life, often setting the compass for others to follow. They are the dogmas, principles, and ideals of life that give meaning to the world. There are four Fixed Signs, Taurus, Leo, Scorpio and Aquarius.

      The Mutable Mode denotes change, versatility, adaptibility, movement, interaction, and the ability to flow with the current of life's circumstances. Mutable mode individuals are the flexible bends in life, often helping people through difficult turning points. They are the duality of ideas and principles that offer people choices. There are four Mutable Signs, Gemini, Virgo, Sagittarius and Pisces.