What do you want to ask about calligraphy and seal script? Dazhuan is the name of a font with neat structure and even strokes.
The broad seal script refers to the writing before the small seal script, including bronze inscriptions (or "Zhongdingwen") and Zhenwen (the traditional version of bronze inscriptions). Contemporary Chinese scholars estimate that there should be oracle bone inscriptions in the Qin Dynasty, so they are also included. . In a narrow sense, large seal script refers to 籀文 and remaining stone inscriptions and stone drum inscriptions. Dazhuan is a font commonly used in the late Western Zhou Dynasty and is said to have been created by Boyi of the Xia Dynasty.