Win rate and top-3 rate will show once this horse has raced.
On the family side there is a little to go on. Straight Out is by Dartmouth, a sire, which is the racing word for a stallion whose offspring carry his name into the sport. Straight Out's dam, the mother, is a Fair Mix mare, so the bloodlines combine two names that breeders and punters will each read in their own way. Pedigree is a bit like a family tree that hints at what a horse might inherit, though in the end the racetrack, not the family album, decides what happens.
At 4 years old, Straight Out is at a sensible age to be making a racecourse debut. Horses of this age are typically physically mature enough to race while still having plenty of development ahead of them, so a first outing at this stage is a fairly ordinary and sensible route into the sport.
So what should a first-time observer watch for? Mostly, how the horse handles the noise, the crowd, and the unfamiliar surroundings, because a debut is as much a test of temperament as of speed. Every winner you will ever see once stood in a parade ring for the first time, looking around nervously. Straight Out's first race will tell the story of where this horse might go next, and that is exactly why a debut is worth watching.