Contact sign
A contact sign language, or contact sign, is a variety or style of language that arises from contact between a deaf sign language and an oral language (or the written or manually coded form of the ora...
Fingerspelling
Fingerspelling (or dactylology) is the representation of the letters of a writing system, and sometimes numeral systems, using only the hands. These manual alphabets (also known as finger alphabets or...
Fingerspelling - Wikipedia