Across the Board
Refers to betting on a horse to finish first, second, and third to cover any of those scenarios happening during a race
Allowance Race
A race with non-claiming conditions set by the racing secretary. They are meant to be a step down from stakes racing.
Superfecta
A wager involving choosing the first, second, third, and fourth horses in one race in the exact order. A superfecta box involves paying more to ensure they can finish in any order in the top four spots.