American Sign Language (ASL): Visual gesture language using manual symbols to represent concepts or ideas. American Sign Language has its own grammatical structure and syntax. ASL is primarily used by signers in the United States.
Disabilities – this defined as a complex phenomenon, reflecting an interaction between features of a person’s body and features of person’s society in which he or she lives. (World Health Organization)
Hearing Impaired - A hearing impairment is a hearing loss that prevents a person from totally receiving sounds through the ear. If the loss is mild, the person has difficulty hearing faint or distant speech. A person with this degree of hearing impairment may use a hearing aid to amplify sounds.