1. Oracle Bone Inscriptions: Oracle Bone Inscriptions is the earliest form of Chinese characters, which appeared on tortoise shells and animal bones in Shang Dynasty. Most of the glyphs are pictures, and some of them are pictographs. The appearance of Oracle Bone Inscriptions marks the beginning of the development and standardization of Chinese characters.
2. Bronze inscriptions: Bronze inscriptions appeared in the Western Zhou Dynasty and were mainly used to cast inscriptions on bronzes. The glyphs are more concise and standardized than those in Oracle Bone Inscriptions, and gradually evolved into today's Chinese characters.
3. Seal script: Seal script is a kind of calligraphy in China, which appeared in the Qin Dynasty and was the originator of China's calligraphy. Its font is more standardized and standard, and it is one of the important sources of modern Chinese characters.
4. Official script: Official script is a kind of calligraphy in Han Dynasty in China and a variant of seal script. Fonts were more standardized and became the mainstream fonts in Chinese character writing.
5.
Regular script: Regular script is a kind of calligraphy style in China's calligraphy, with standard form and neat strokes. It is one of the main styles of modern Chinese writing.
To sum up, the evolution sources of Chinese characters are mainly Oracle Bone Inscriptions, bronze inscriptions, seal script, official script and regular script. The morphological evolution of Chinese characters has gone through thousands of years and is influenced by many factors, such as the change of writing tools, the influence of cultural exchange, the change of social system and culture. , and finally formed today's Chinese characters.