Lets try to throw some words towards those threads of existence to give some understanding of their meaning.
Sattva – goodness;
Sattva – goodness, harmony, purity, clarity, calmness, compassion
Rajas – passion;
Rajas – passion, activity, restlessness, desire, ambition, attachment to outcomes
Thamas – ignorance – darkness:
Thamas – ignorance, inertia, darkness, confusion, laziness, negligence