Map of the world beneath the heavens), or sometimes Cheonha jeondo (천하전도; 天下全圖; lit.

It is based on the Korean term for map, jido, translated roughly as "land picture".

The structure of the maps consists of an internal continent with historical place names, an internal sea with place names connected to descriptions of Taoist immortality, an external continent, and an external sea.

[2] Surprisingly, the maps did not reflect the highest levels of geographic knowledge available to Koreans, but this is not likely to be intentional.

[3] Some of this was due to the nautical distance between Korea and other East Asian locales affected the mapmakers perceptions of Asia.