(n) (comp) operational sign
(n) phonetic symbol
(n) (musical) clef
(n) chemical symbols (for the elements)
(n) (comp) shunned number
(n) (comp) external character number
(n) (comp) external character code
(n) (comp) concept symbol
(n) (comp) extension sign
(n) (comp) interference signal
(n) danger signal
red light
(n) (comp) basic symbol
(n) symbolic analysis
(n) (comp) symbolic-character
(n) (comp) luminance signal
(n) (comp) decode
(n) (comp) enabling signal
(n) (comp) segment-number
(n) mobile phone number
(n) chemical symbol (i.e. H for hydrogen, O for oxygen, etc.)
(n) atomic number
(n) (comp) specific symbol
(n) traffic signal
(n) public enemy No. 1
(n) account number (bank, etc.)
(P)
(n) (comp) clock signal
clock pulse
(n) seat number
(n) asset register number
(n) short-lived magazine
(n) four-corner kanji character stroke classification system
