Meanings

denomination of a Shinto shrine

honorary title

musical symbol

to give a command (e.g. in a loud voice)

tilde

(of) opposite sign

international maritime signal flags

cryptocurrency

call sign (esp. maritime)

signal code book

pyrotechnic signal

flash signal (e.g. between ships)

acoustic signal

identifying signal

Bopomofo (Chinese transliteration system now used mainly in Taiwan)

cryptography

original store

Morse code (esp. signalling)

modulation symbol (flat, sharp, etc.)

Operation Ketsugō (Japanese military plan for responding to the Allied invasion of the homeland)