Trifecta
A wager picking the first, second and third horses in the exact order. A trifecta box means paying more to ensure the horses can finish in any order in the top three spots.
Apprentice
A new jockey who has not ridden a certain number of winners in a specified time period.
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.

