A major aspect where two planets or points are 120-degrees apart. Traditionally a soft aspect. Unites signs of the same element. The third harmonic. Signifies the resolution of polarization in the cycle of a relationship; a natural and easy integration of two energies; reconcilation of opposites, mediation by a tertium quid. Pythagorean paradigm of the triad is the three kinds of men, those with gold, silver, and lead souls.