pabhassaraṃ cittaṃ=beautiful consciousness=no unwholesome cetasika=radiant consciousness

But in sutta context, buddha teaching about flow of citta from pabhassaraṃ cittaṃ to no pabhassaraṃ cittaṃ. So we must specify it especially to bhavaṇga.

Sutta context is definitely clear. We must just memorize pali to understand more.