1. ruahning, hngalhning, ruahnak; e.g. I have no notion of what he means = A chimmi kha a sullam zei a si a ruah awk ka hngal lo;
2. zumhning; e.g. It was her notion that planes were safer than trains = Vanlawng kha tlanglawng nakin a him deuh ti cu amah zumhning a si.