Big Blind (BB)

positions

The forced bet posted by the player two seats left of the dealer.

BB is the worst preflop position (acts last preflop, first postflop) but defends a wide range against late-position opens because of pot odds — already 1bb invested.

See also

Cutoff
The position one seat right of the button. Second-best position.
Dealer Button
The best position — last to act on every postflop street.
Position
Where you sit relative to the dealer button. Later = better.
Small Blind
The smaller forced bet posted by the player left of the dealer.