   ⠭ (x, dots 1,3,4,6): reject: the key combination was invalid or the command couldn't be executed
   ⢁ (dots 1,8): copy begin: a copy to the clipboard was started
   ⡈ (dots 4,7): copy end: a copy to the clipboard has completed
   ⠶ (low g, dots 2,3,5,6): no change: an adjustment has reached its extreme (e.g. volume can't be increased)
   ⣛ (dots 1,4,2,5,7,8): toggle on: a feature has been enabled
   ⣭ (dots 1,4,3,6,7,8) toggle off: a feature has been disabled
   ⢞ (t + 8, dots 2,3,4,5,8): tracking on: the braille window is tracking the screen cursor
   ⡞ (t + 7, dots 2,3,4,5,7): tracking off: the braille window isn't tracking the screen cursor
   ⢋ (f + 8, dots 1,2,4,8): frozen screen: you're currently viewing a frozen image of the screen
   ⡋ (f + 7, dots 1,2,4,7): live screen: you're currently viewing the live screen
   ⠋ (f7, dots 1,2,4): frozen screen half-minute reminder
   ⢎ (dots 4,2,3,8): wrap up: panning left wrapped from the beginning of the current line to the end of the previous one
   ⡱ (dots 1,5,6,7): wrap down: panning right wrapped from the end of the current line to the beginning of the next one
   ⣉ (dots 1,4,7,8): skip identical: identical line(s) have been skipped
   ⣿ (dots 1,4,2,5,3,6,7,8): screen edge: vertical navigation hit the top/bottom of the screen without being able to complete
