Japanese Set of Written Symbols
Puzzle 17 of The 1950s Hard Pack
Question is: Japanese Set of Written Symbols
and the answer is: KATAKANA
Word Meaning:
KATAKANA — (uncountable) A Japanese syllabary used when writing words borrowed from foreign languages other than Chinese, specific names of plants and animals and other jargon, onomatopoeia, or to emphasize a word or phrase. Also used to write the Ainu language.
Definitions from Wiktionary.