denotes

"$ is the symbol for dollars in the US and some other countries."

"The meaning of the teacher's hand gesture was clear: "Pay attention." "

"The circumference of the circular table was too large to fit in the dining room. "

"The traffic is slow during rush hour."

"The sunflower's bright yellow petals attracted many bees. "

"Air conveys sound. Water is conveyed through the pipe."

"The diameter of the circular table is two meters. "

"The set of all points (x, y) such that (x − 1)2 + y2 = r2 is a circle of radius r around the point (1, 0)."

"When I saw on the news that there would be no school tomorrow because of the snowstorm, I literally jumped for joy, and hit my head on the ceiling fan."

"The yellow blazes denote the trail."

"The campfire quickly grew into raging blazes, lighting up the entire campsite. "

"The guard blew his whistle to indicate imminent departure."