Models Do not use for HIV A young boy and his brother 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 \j\ (see image nﾰ0833202 and series of images from nﾰ0572308 to 0573508 to see the other letters of the alphabet)