The pictographic word "East" is like a bud of two leaves that have just broken ground. Original meaning of word-making: Gramineae growing in patches on the ground. After the word "brick" became a simplified Chinese character, it was replaced by a word "brick" in the early inscription, which was shaped like a grass with two stems and four leaves. When "rice" also became a simple character, the late bronze inscriptions added "Zao" (Zao, referring to the morning light sprinkled on the grass), recreating the new word "Cao" with both meaning and sound. Seal script continues the early bronze inscriptions. Seal script is written in different forms. Official script will be written as (even number).