The image from the U.S. Census Bureau is about the importance of exports to China.
The importance of exports to China is that 1 out of every 4 rows of soybean rows is shipped to China.
The poster explains about the amount of soybeans are exported to China.
A grey ship sits below four, vertical rows of soybeans, one of which is highlighted red to emphasize the amount of that particular product, gets shipped to China.
Poster that tells people the Importance of Exports to China.