Glossary of cue sports terms Glossary of cue sports terms The following is a glossary of traditional English-language terms used in the three overarching cue sports disciplines: "carom (or carambole) billiards" referring to the various games played on a billiard table without ; "pool (pocket billiards)", which denotes a host of games played on a table with six pockets; and "snooker", played on a large pocket table, and which has a sport culture unto itself distinct from pool. There are also hybrid pocket/carom games such as English billiards. The term "" is sometimes used to refer to all of the cue sports, to a specific
How many angels can dance on the head of a pin? about how many could perch at the same time on the head of a pin"". Dorothy L. Sayers argued that the question was "simply a debating exercise" and that the answer "usually adjudged correct" was stated as, "Angels are pure intelligences, not material, but limited, so that they have location in space, but not extension." Sayers compares the question to that of how many people's thoughts can be concentrated upon a particular pin at the same time. She concludes that infinitely many angels can be located on the head of a pin, since they do not occupy any space there: