聿, cognate of 筆(笔), originally a writing brush. In oracle bone script and bronze script, 聿 was like a hand hold a writing brush. It serves as phonetic as well as semantic component to form characters.
筆 was created later to replace 聿 to mean a writing brush. ⺮ indicates that the writing brush is made of bamboo. The simplified form 笔 depicts a brush made of bamboo ⺮ and fine animal hair 毛.
Characters formed by the phonetic component 聿
侓垏峍律津珒肂硉貄銉茟 lù lǜ lù lǜ jīn jīn sì lù sì yù yù
Characters formed by the semantic component 聿
When serves as semantic component, it expresses something related to a pen or writing.
建 is a compound ideographic character, composed of 廴 and 聿. 廴 means walking and suggests the meaning of action; 聿 means writing brush and suggest the meaning of the law; hence 建 means "to establish the law/legislate". 建 serves as a phonetic component to form characters. See also 聿 writing brush Characters formed by…
, the twelfth variant of hand in Chinese, serves as a semantic component to form characters. Although there are not so many characters formed by this component, recognizing it helps you understand the meanings of the characters with this component. This variant can't be typed on the computer. Check out all the variants…
Chinese radicals are used for classifying the characters in dictionaries for people to retrieve them easily. Are you looking for the complete list of Chinese radicals? There are three different versions of radicals. Table of contents: List of Chinese radicals in Shuo Wen JIe Zi《说文解字》部首大全 List of Chinese radicals in Kangxi…
was like a hand hold a writing brush. It serves as phonetic as well as semantic component to form characters. 
