A category of Pariṇāmaka (the disciple who has full faith in the Āgamas (2) (canonical works); that object, which is beyond direct perception but still amenable to reasoning is made intelligible by such disciple through some directly and popularly known illustration and he has his faith in it (i.e., its existence).
parokkhaṃ heugaṃ atthaṃ, paccakkheṇa u sāhayaṃ.
jiṇehiṃ esa akkhāto, diṭṭhaṃtapariṇāmago...
(VyaBhā 4609)