The hanzi 录 has the meaning: to keep a record/to transcribe, but is used as a radical with the meaning “to squeeze out”, as this shows a hand 彐 squeezing out a liquid 水.
Traditionally, the radical 58 has the meaning: pig's head, or pig's snout. The trainer always uses it as “hand”, i.e. as a variant of , which shows a hand with the fingers pointing to the left. This often appears to be etymologically justified.
The app has many other functions, such as character selection according to difficulty, practice programs, handwriting recognition and success statistics!
/彐 squeezes fiber 纟 and green liquid 水 drops down.)
