Today's AU - Hanging Rock Horse Racing Picks

Handicap

A race where a handicapper has assigned weights to be carried by all runners on the basis of their past racing efforts.

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).

Tack

The equipment the horse wears, including saddle and bridle. A jockey typically has their own racing saddle, placed on each horse they ride just before the race.