Dhar Taabasho Warshadda dharka casriga ah ee loo yaqaan 'jacquard textile' ayaa loo maleynayaa inuu turjubaan u yahay dadka indhaha la '. Dharkaan waxaa aqrin kara dadka aragga wanaagsan leh waxaana loogu talagalay iyaga inay caawiyaan dadka indhaha la 'ee bilaabaya inay lumiyaan aragga ama kuwa qaba dhibaatooyinka aragga; si loo barto habka loo yaqaan 'braille system' oo ah maaddo saaxiibtinimo leh oo la wadaago: dhar. Waxay ka kooban tahay alifbeetada, nambarada iyo calaamadaha xarfaha Midabyo laguma dari karo. Waa soosaar cabbir ahaan cawlan oo mabda 'ahaan u ah aragtida iftiinka. Waa mashruuc leh macno bulsheed isla markaana dhaafsiisan dharka ganacsiga.