is a specific kind of: amount, measure, quantity.

is a broader term that covers: golf hole, hole | set.

has as a part: chukka, chukker | frame, inning | bout, round, turn | first period | second period | final period | half | period | quarter | over.

is a part of: athletic game.

domain category: game.

derivation: play | encounter, meet, play, take on.