Models Do not use for HIV Young boy using the French sign language to discuss with his hearing-impaired brother The French sign language uses signs to designate words but also dactylology (each letter of the alphabet is represented by a defined position of the fingers then enabling to spell a word) and the lip reading The young boy designates the letter \a\ (see image nﾰ0833202 ans series of images from nﾰ0572308 to 0574108 to see the other letters of the alphabet)