This is sometimes called the rule of the road.

This is called the fifty-move rule, and happens late in the game.

He called the rule inhumane and likely to increase homelessness.

"Hovering over the case is something called the unwritten rule," he said.

He was so popular that his period is called "the golden rule" of Sikar.

Conservation advocates called the proposed rule inadequate for another reason.

He wants every government agency, including the military, to submit to what he calls "the rule of law."

An important design principle for work breakdown structures is called the 100% rule.

Now, drivers who violate what officials call the "basic rule" face a minimum fine of $70.

That is called the rule of 72 which can be used to figure out how fast something grows.