Note
You see an enclosure with something resembling the Big Dipper inside it. It's a diagram.
Breakdown of diagram
enclosure
囗 component
The enclosure component looks the same as the mouth kanji. Unlike mouth, this component is not a kanji by itself. When the enclosure component is used inside a kanji, another component is enclosed within it.
Big Dipper
斗
Usages of diagram
図書館tosyokan
library
