Meaning: People who rode horses could travel quickly from one place to another.
Choice of Words: Riders are people who ride horses. Swiftly means moving quickly.
Alternative Expressions
The riders galloped on their horses.
Meaning: This sentence describes a group of people who are riding horses very quickly.
Choice of Words:Galloped means to ride a horse at a fast pace. On means that the riders are sitting on the horses. Their means that the horses belong to the riders.
The jockeys raced their horses around the track.
Meaning: This sentence describes a group of people who are competing in a horse race.
Choice of Words:Jockeys are people who ride horses in races. Raced means to compete in a race. Around means that the horses are moving in a circle. Track means the area where the race is taking place.