Today's AU - Caulfield (World Pool) Horse Racing Picks

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).

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

Workout

A workout is a timed sprint over varying distances prior to a race, meant to get a horse fit enough for competition.