Australian Harness 1

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

Bolt

A sudden veering to the inside or outside rail, often caused by the horse spooking or shying from something.

Pari-Mutuel

A pool style wagering system, where all money input through betting is divided among those with winning tickets (save for various deductions by the track operators).