Radical 3

Radical 3 or radical dot (丶部) meaning "to indicate an end" is one of six of the 214 Kangxi radicals that are composed of only one stroke.

In the Kangxi Dictionary, there are only 10 characters (out of 49,030) to be found under this radical.

丶 is also the 3rd indexing component in the Table of Indexing Chinese Character Components predominantly adopted by Simplified Chinese dictionaries published in mainland China.

In calligraphy
The only stroke in Radical 3, known as 點/点 diǎn "dot", is called 側/侧 cè in the eight principles of the character 永 ( Yǒngzì Bāfǎ) which are the basis of Chinese calligraphy.