Original: Pool, also known as pocket billiards, is the family of cue sports and games played on a pool table having six receptacles called pockets along the, into which balls are deposited as the main goal of play.
Simplified: Pool, also known as pocket billiards, is the general term for a family of cue sports. These games are played on a pool table with six holes cut into them called pockets, into which balls are deposited as one of the main goals of play.