Three qualities influencing all creation: sattva, rajas, and tamas. Sattvic qualities imply essence, reality, consciousness, purity, and clarity of perception. All movement and activity are due to rajas. Tamas brings darkness, inertia, heaviness, and materialistic attitudes. There is a constant interplay among these three gunas in all creation. Also refers to the qualities (hard/soft, hot/cold, etc.) of the three doshas, seven dhatus, and three malas.
The three subtle qualities of nature: sattva, rajas and tamas. Also the 20 attributes that describe the different qualities of matter in Ayurveda.