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CODE

               simply the form messages would take for transmission through a
               channel. Clearly that model was based on telegraphy (Morse code) and
               telephony, where the code comprised not what was said by the caller,
               but the electronic form taken by soundwaves through the telephone
               wire. This scientific/mechanical notion of code has driven develop-
               ments in computing, notably the writing of code for software
               applications, and in telecommunications (mobiles, G4).
                  Code was taken up in linguistics, media studies and semiotics. An
               early pioneer in the field was the Swiss linguistic theorist Ferdinand de
               Saussure in the first decade of the twentieth century. Saussure wanted
               to study language scientifically, but was faced with an almost infinite
               jumble and variety of actual speech. Instead he looked for whatever it
               was that enabled utterances to be produced – and ‘decoded’ – in a
               coherent and systematic form. Listeners needed to be able to
               understand sounds in a given combination that they’d never heard
               before, and to bypass the fact that everyone’s voice is unique (including
               accent, intonation, speed, clarity of diction, etc.), so that physically the
               sounds heard are always unique too. The key was ‘code’: the
               generative system of rules of combination (grammar) that allowed
               elements (lexical items such as words) to be selected, combined and
               used to produce new, hitherto unuttered speech. Hearers, sharing the
               code, ‘hear’ what the code says rather than merely what the speaker
               says, so variations can simply be filtered out.
                  Codes allowboth combination and organisation – words chosen
               from a paradigm or list of possible choices can be strung together in a
               syntagm or chain, but that string is itself rule-governed as to its
               organisation. In a standard sentence a subject, verb and object are the
               minimum requirement. You can choose between different words, but
               the lexical items chosen have to do the right work in the right order.
               You can say ‘I love you’. But you can’t say ‘You love I’ or ‘Love you I’:
               they don’t mean the same even though the same words are chosen.
               Proper ‘coding’ requires attention to the organisation of elements
               chosen.
                  Taking that notion a stage further, many socially organised practices
               can be referred to as a code: there are aesthetic codes, behavioural
               codes, codes of conduct, decency codes ... all the way down to zip
               codes. In each case what is referred to is an established (shared)
               understanding of what is appropriately associated with what, according
               to rules of choice and chain.
                  It may be that some of these codes – codes of conduct for example
               – are so called because of their codification into tabular form, in which
               case the term ‘code’ derives from codex (Latin: tablet, book).


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