What is billiards vs pool?

What is billiards vs pool? Billiards is played on a table without pockets. The game only has three balls, which are red, white (with a spot), and another white one (without a spot). Pool involves a table with six pockets. You need 15 balls, but some people play with just nine.

Billiards is played on a table without pockets. The game only has three balls, which are red, white (with a spot), and another white one (without a spot). Pool involves a table with six pockets. You need 15 balls, but some people play with just nine.
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