A bid that encourages partner to bid on when holding any extra values in the context of his previous bidding. For example, 1♣-1♦-1NT-2NT invites partner to bid 3NT while 1♥-1♠-2♥-3♥ invites partner to bid 4♥.
A bid that encourages partner to bid on when holding any extra values in the context of his previous bidding. For example, 1♣-1♦-1NT-2NT invites partner to bid 3NT while 1♥-1♠-2♥-3♥ invites partner to bid 4♥.