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  2. American manual alphabet - Wikipedia

    en.wikipedia.org/wiki/American_manual_alphabet

    A double letter within a word is signed in different ways, through a bounce of the hand, a slide of the hand, or repeating the sign of a letter. [4] Letters are signed at a constant speed; a pause functions as a word divider. The first letter may be held for the length of a letter extra as a cue that the signer is about to start fingerspelling.

  3. Fingerspelling - Wikipedia

    en.wikipedia.org/wiki/Fingerspelling

    Fingerspelling (or dactylology) is the representation of the letters of a writing system, and sometimes numeral systems, using only the hands. These manual alphabets (also known as finger alphabets or hand alphabets) have often been used in deaf education and have subsequently been adopted as a distinct part of a number of sign languages.

  4. Two-handed manual alphabets - Wikipedia

    en.wikipedia.org/wiki/Two-handed_manual_alphabets

    The receiver's hand is relaxed, with the palm open and fingers slightly apart. The signer uses their dominant hand like a pen to sign on the non-dominant hand of the receiver. As a beginner, you may squeeze the wrist of the receiver between words since you will spell haltingly. Once you can spell fluently, simply put a short pause between words.

  5. International Code of Signals - Wikipedia

    en.wikipedia.org/wiki/International_Code_of_Signals

    Several of the most common single-letter signals are shown at the right. Two-letter signals cover a broad gamut of situations. Repeated characters can be a problem in flaghoist. To avoid having to carry multiple sets of signal flags, the Code uses three "substitute" (or "repeater") flags. These repeat the flag at the indicated position.

  6. Manual communication - Wikipedia

    en.wikipedia.org/wiki/Manual_communication

    Diving signalshand communication methods while scuba diving; Flag semaphores — telegraphy systems using hand-held flags, other objects, or the hands themselves; Finger counting. Chinese number gestures; Open outcry hand signaling; Fingerspelling or manual alphabets; Gang signals — signs used to signify allegiance to a gang or local ...

  7. Vulcan salute - Wikipedia

    en.wikipedia.org/wiki/Vulcan_salute

    The Vulcan salute is a hand gesture popularized by the 1960s television series Star Trek. It consists of a raised hand with the palm forward and the thumb extended, while the fingers are parted between the middle and ring finger .

  8. Prosigns for Morse code - Wikipedia

    en.wikipedia.org/wiki/Prosigns_for_Morse_code

    Even though represented as strings of letters, prosigns are rendered without the intercharacter commas or pauses that would occur between the letters shown, if the representation were (mistakenly) sent as a sequence of letters: In printed material describing their meaning and use, prosigns are shown either as a sequence of dots and dashes for the sound of a telegraph, or by an overlined ...

  9. Flag semaphore - Wikipedia

    en.wikipedia.org/wiki/Flag_semaphore

    A US Navy crewman signals the letter 'U' using flag semaphore during an underway replenishment exercise (2005). Flag semaphore (from the Ancient Greek σῆμα (sêma) 'sign' and - φέρω (-phero) '-bearer' [1]) is a semaphore system conveying information at a distance by means of visual signals with hand-held flags, rods, disks, paddles, or occasionally bare or gloved hands.