[cnszsun]

After partner's drury 2♣ response, how to define opener's 2NT rebid?
Some may play it as a suggestion of 3NT contract, but i think you can jump to 3NT directly to show the intent.
Another option is to make it artificial, like asking responder's short suit.
Do you have any such agreements?

[awm]

I like to use a lot of bids over drury in the same way I would use them over 1M-2M. This has the advantage of simplicity and also allows for a lot of game tries (so the "limit raise" can have a wider range, especially nice since I don't like playing 2-way drury).