How is "i ffwrdd" away differentiated from "bant" away?
It isn't - they both mean 'away'.
Bant o'n ni. away we go? It says this on Waze, but I couldn't find the meaning.... Same with something that sounds like catwar a'r dde and gydawa a'r chwith I know it may be veer?
Waze is probably using: