use one thing for many purposes / work someone hard

to use one's head

a letter, a character (symbol for a sound or a word) / (linguistics) script, writing system / (specific to Japanese) a written mora, a kana / writing in general, written words

a letter or character (symbol for a sound or a word) / (linguistics) script, writing system / (specific to Japanese) a written mora, a kana / writing in general, written words

a male given name

a male given name

balancing toy

a baby's first cry

shout; call / rhythmic chants: (idol fandom) fanchant; etc.

the Cyrillic script