n. the number of people who live in a place
The population of the United States is growing rapidly.

n. a group of people or things that are similar in some way
Her pictures don''t fit into any category.

adj. relating to money and the system in which goods and services are produced, sold, and bought
The business closed due to economic reasons.

adj. arranged or planned in a particular way
The program has been so organized that none of the talks overlap.

n. the particular subject or idea on which the style of something is based
Sometimes it is hard to grasp the main theme of a story.

n. a shape that has a particular meaning
This symbol tells us that we cannot smoke in this area.

n. water that falls to the ground as rain, snow, etc.
The weather forecast is calling for an eighty percent chance of precipitation tomorrow.

n. facts or information usually used to calculate, analyze, or plan something
After collecting the new data, Frank drew a bar graph.

adj. related to something you look at (such as a picture, chart, or film)
Television soon followed radio and gave journalism a much more visual medium.

n. an interesting or important part
An interesting feature of the city is the old buildings.