The box, the simple box, may be the art form of the 21st century.
The station has now sat as a simple box for more than half a century.
The envelope then goes into a simple wooden box.
The computing power is hidden in a simple, compact box.
The main gallery is a simple white box with raw concrete floors.
But no one understood the power behind a simple black box without a demonstration.
However, a simple collecting box fixed to any of these items would still qualify.
Just a simple box where everyone can write a number.
My highest skill was used to make a simple box representing the pride of humans.
The search pattern I worked out was a simple rectangular box.