। ॥ २ ॥
In plain words
Ajñāna — ignorance — is the causal body. Bodha, pure Awareness, stands as the witness and lights those bodies up. Its reflection takes its seat in Buddhi — the intellect — and becomes the doer, gathering puṇya and pāpa, merit and demerit.
Close to the Sanskrit
Ajñāna — ignorance — is the causal body; the witness, Bodha — Awareness — is the illuminator of those. The reflection of Bodha, lodged in Buddhi — the intellect — is the agent of puṇya and pāpa, merit and demerit.