Definitions
GKOS Concept Explanation
Chord A combination of simultaneously pressed Keys, e.g. [A+B], see also Combo
Chord Value A mathematical sum of Keys in a Chord when single keys have values A=1, B=2, C=4, D=8, E=16 and F=32 ('Key code' has been used in some tables to indicate Chord value)
Chordon Several Chords typed in a sequence so that all Chords overlap, i.e. there is no condition that all keys are released between Chords. Example: [A+B] > [B+C], B is held down during two consecutive Chords [A+B] and [B+C]
Combo A combination of simultaneously pressed Keys, e.g. [A+B], see also Chord
GKOS for Thumbs GKOS keyboard where two extra keys are added on each side to facilitate simultaneous pressing of upper and lower keys, as well as of all three keys, by one thumb while operating the GKOS keyboard (physical or virtual) on the front panel of a device. See also Virtual GKOS.
GKOS Keyboard A physical keyboard of six Keys A, B, C, D, E and F, normally located on the back of a device
GKOS Reference Number A number with values 1 to 63 referring to Chords that have been arranged in a logical order based on their use, so that first come letters, numbers and symbols, then punctuation and accents, then navigation and other functions
Key One of the six GKOS keys A, B, C, D, E, or F. If several Keys are pressed down simultaneously, it is indicated by square brackets and plus signs, e.g.: [A+B+C]
Key code Used in some tables to indicate Chord Value
Mode The GKOS keyboard can be used in several Modes. The basic Mode is used when typing ordinary text. Single characters (Symbols) can be picked from the parallel set by the [SYMB] Modifier. Number Mode can be entered by pressing all keys down briefly: [ALL]. Mouse Mode can be entered by [SHIFT] [ALL] or by Chordon [SHIFT] > [ALL]. Most Modes can be exited by [ALL].
Modifier A kind of shift function to change the meaning of a Key or Combo. [G], [K], [O], [S], and [W] are Modifiers that change the output of the rest of the Keys if pressed simultaneously. [SYMB], [SHIFT], [CTRL] and [ALT] are Modifiers as well because they change the output of the next Combo or Key.
Native characters Characters with GKOS Reference numbers 27 to 20 have been reserved for Native characters. Native characters can also be included in the Intonation part part of the character set with GKOS Reference numbers 37 to 41.
Punctuation Characters (but not letters or numbers), with GKOS Reference numbers 31 to 36, that can be typed directly without the [SYMB] Modifier and which also have a parallel [SYMB]-modified variant. Examples to type Punctuation characters are [!], [?], [.] and [SYMB] [.] (Results are "!", "?", "." and ":").
Shift A shift function to type an upper case letter. Typing [SHIFT] [G] [O] [T] [SPACE] [I] [T] [?] produces text "Got it?"
Switch The electrical switch of a Key
Symbols Characters obtained by using the [SYMB] Modifier. E.g. entering [SYMB][P] will output "%" which is Symbol %
Virtual GKOS A GKOS application on the multi-touch screen of a smartphone (iPhone, Android, MeeGo etc.). Basically, two extra keys are added to facilitate simultaneous pressing of upper and lower keys, as well as of all three keys, by one thumb. Provides GKOS for Thumbs operation. Pressing two neighboring keys at the same time is often indicated by a separate pressing area (a key) between the two.
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