琮
Definition
* 古代一种玉器，外边八角，中间圆形，常用作祭地的礼器
octagonal piece of jade with hole in middle
Structure
Related substructures
Precursors
Oracle Bone Script
c. 1300–1050 BCE (Late Shang)
Inscriptions carved on turtle plastrons and animal bones for divination and record-keeping in the late Shang royal court; the oldest large attested corpus of written Chinese.Wikipedia ->
Bronze Inscriptions
c. 1200–221 BCE (Shang–Zhou; continues into the Warring States)
Inscriptions cast or engraved on ritual bronzes, especially prominent from the Western Zhou onward; a major source for early political, ritual, and social history.Wikipedia ->
Small Seal Script
Standardized 221–206 BCE (Qin); developed earlier in Qin
The standardized seal script promulgated after Qin’s unification, based on earlier Qin seal forms and used as an empire-wide norm.Wikipedia ->
Clerical Script
c. 300 BCE–220 CE (emerged late Warring States/Qin; dominant Han)
A practical script that evolved from late Warring States/Qin writing; it matured and became dominant in the Han dynasty, favoring faster, more rectilinear strokes.Wikipedia ->