What is "representamen"

n. (rfc-def) A representation, a thing serving to represent something (as to an interpreting mind). It is a representation in the sense of ''something which represents'', as opposed to its ''operation or relation'' of representing, and also as opposed to a ''process or activity'' of representing, which produces it. (The produced representamen can itself seem or be a process or activity, for example a song or a theatrical performance, or a rock's tumbling in an informative way, or a logical argument).