Let a man meditate on the fivefold Sâman as the seasons. The hinkâra is spring, the prastâva summer (harvest of yava, &c), the udgîtha the rainy season, the pratihâra autumn, the nidhana winter.

In plain words: A person should meditate on the five-part chant as the seasons. The parts are spring, summer harvest, the rainy season, autumn and winter.