The 12 signs represent the anatomical limbs of Kalapurusha from Aries (head) to Pisces (feet). Rashi, Kshetra, Griha, Riksha, Bha, and Bhavana are declared synonymous.
Verse 2 — Dual Nature of Signs: Masculine and Feminine Classifications
Beginning from Aries, the signs are alternately designated cruel (masculine, odd) and gentle (feminine, even); similarly, they follow the cyclic order of movable (chara), fixed (sthira), and dual (dvisvabhava).
Verse 3 — Directional Rulerships of the Twelve Signs
Groups of three signs beginning with Aries rule East, South, West, and North respectively; furthermore signs are designated quadruped, biped, water-dwelling, or insect according to their constitutional form.