日語 written signs.
- Category:日語字母：日語 symbols that represent single sounds. Variations of letters, such as letters with diacritics, should also be categorized here.
- Category:日語數字符號：日語 symbols that represent numerals.
- Category:日語標點符號：日語 symbols that indicate structure and organization of writing.
- Category:日語漢字：日語 symbols of the Han logographic script, which can represent sounds or convey meanings directly.
- Category:日語附加符號：日語 glyphs that are added to characters to modify the their sounds or meanings.
- Category:日語音節：日語 symbols that represent groups of sounds. Variations of syllables, such as syllables with diacritics, should also be categorized here.