Method of nonverbal communication utilizing hand movements as speech equivalents.
Communication
The exchange or transmission of ideas, attitudes, or beliefs between individuals or groups.
Manuals as Topic
Books designed to give factual information or instructions.
Cell Communication
Any of several ways in which living cells of an organism communicate with one another, whether by direct contact between cells or by means of chemical signals carried by neurotransmitter substances, hormones, and cyclic AMP.