Cue sport are also known as billiard sport 
Cue sport is a type of billiards?
Yes. Historically, the umbrella team was billiards 
Can you explain what the umbrella team is?
It is the general name. the variety of the game ofskill generally played with a cue stick
How many balls do they use?
They play one. There are 3 major subdivisions of games within cue sports
Is it played on a traditional pool table?
They move around a cloth covered billiards table bounded by elastic bumpers
Okay it sounds like bumper pool.