A direct overcall is a bid after opponent's opening and/or response without passes in between.
If opponents are using natural system, a direct overcall is usually natural, showing a 5-card suit and 7-16 points at level 1, or 11-16 points at level 2.
Direct overcall after opponents' Preemptive opening, Precision 1♣ opening may have different meaning, and some of them are artificial bids.
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