Ameslan is a commonly known synonym of American Sign Language (ASL). ASL is a visual language used by Deaf and Hard of Hearing individuals, which is primarily based on movements, hand shapes, and facial expressions. Other synonyms for Ameslan include sign language, Gestuno, and SignSpeak. Gestuno is an international sign language used at deaf gatherings and conferences. SignSpeak is a form of sign language used by some who prefer to use ASL but also include aspects of English grammar. Although these terms have their differences, they all refer to the visual language used by the Deaf and Hard of Hearing community.