Source: Image of Lips, Public Domain, http://mrg.bz/40duTv; Image of Letter, Public Domain, http://mrg.bz/JvyEiv; Image of Woman with Camera, Public Domain,http://mrg.bz/dH6wMI; Image of Hand, Public Domain,http://mrg.bz/AMT52K
A representation of a concept in a tangible form.
A set of symbols with consistent meanings used to hold and convey information.
A sequence of symbols that can be interpreted as a message. An awareness of things inside/outside the self that must be encoded in symbols to be conveyed to another. "What you don't already know".
Communication using the code commonly called spoken or written language.
Communication using a variety of physical codes.