Passage 4The means of communication are too numerous and varied for systematic classification; therefore, the analysis must begin with the means of receiving communication. Feelings may be simply communicated by touch, such as by handshaking or backslapping, although a highly developed system of hand-stroking has enabled blind, deaf, and dumb persons to communicate intelligently. The most fully developed form of auditory communication is, of course, the spoken language.30. Persons who cannot see, hear, or speak are able to communicate through .