._. may refer to:
* An
emoticon, used to express neutral face or depressed
* The letter R in
Morse code
Morse code is a method used in telecommunication to encode text characters as standardized sequences of two different signal durations, called ''dots'' and ''dashes'', or ''dits'' and ''dahs''. Morse code is named after Samuel Morse, one ...
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Articles with underscores in the title