劉 is a traditional Chinese hanzi, listed here under the keyword “surname”. It is built from 刀 (knife), 金 (gold) and 刂 (knife). It appears as a component in 5 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “knife” + “gold” + “knife”. 劉 is among the results, together with every other character containing the same shapes.
Open 劉 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.