Pañhā-byākarana: 'answering questions'.;There are, o Bhikkhus, 4 ways of answering questions: there are questions requiring a direct answer; questions requiring an explanation; questions to be answered by counter-questions; questions to be rejected as wrongly put.; See D. 33; A. III, 68; A. IV, 42.
Maha Thera Nyanatiloka. Manual of Buddhist Terms and Doctrines, Buddhist Publication Society, first edition 1952.