Sattaviññāṇaṭṭhitisutta
“Sattimā, bhikkhave, viññāṇaṭṭhitiyo. Katamā satta? Santi, bhikkhave, sattā nānattakāyā nānattasaññino, seyyathāpi manussā, ekacce ca devā, ekacce ca vinipātikā. Ayaṁ paṭhamā viññāṇaṭṭhiti.
Planes of Consciousness
“Mendicants, there are these seven planes of consciousness. What seven? There are sentient beings that are diverse in body and diverse in perception, such as human beings, some gods, and some beings in the underworld. This is the first plane of consciousness.