==Description==Several such languages exist within the [[Imperium]], including :*[[GraphBattle-binarcSign]] — used by [[Space Marines]], {{Fn|1}} and [[VoidsysAstra Militarum]], the .{{Fn|3}}*[[Sisters of SilenceGraph-binarc]]'s {{Fn|1}}*[[ThoughtmarkHortcode]] and — used by the [[Space MarinesMarine Legion]]' [[s alongside Battle-Sign]].{{Fn|12a}} The Also known to the [[Perpetuals]] [[John Grammaticus]] and [[Ollanius Persson]] also knew a sign language called .{{Fn|2b}}*[[HortcodeThoughtmark]] — used by the [[Sisters of Silence]]{{Fn|1}}*[[Voidsys]].{{Fn|21}}

*{{Endn|2}}: [[The End and the Death: Volume II (Novel)]], :**{{Endn|2a}}: 5:xxxvi**{{Endn|2b}}: 7:xv*{{Endn|3}}: [[Witchbringer (Novel)]], Chapter 5