5 cards
Definition.com
Oil price (n.) is the one number that votes in every election.
Definition.com
Oil price (n.) is what a strait costs when it is closed.
Definition.com
Oil price (n.) is the mood ring of geopolitics.
Definition.com
Oil price (n.) is a thermometer for other people's wars.
Definition.com
Oil price (n.) is set in a desert and paid at a gas station.