Braille is a code using raised dots for the alphabet and is used for the blind.
Braille is raised “letters” that blind people use their fingers to read with
Sign language are hand gestures that represent words or letters to portray the speech that the hearing impaired use to interpret what unimpaired people speak.
Signed Language, is a separate LANGUAGE, NOT English but just as full as any spoken language.. It’s called ASL and is the language of American Deaf.