A polite way of responding to thanks, by suggesting that the service is too trivial or humble to warrant thanks; you're welcome.
Used other than figuratively or idiomatically: see don't, mention, it.
Don't let it bother you; put it out of your mind.
I don't want to continue with this conversation (usually used in frustration or anger).
It doesn't matter.
A conventional reply to an expression of gratitude.
Absolutely not; I forbid it or it is impossible.