Semiotics Notes:

All that can fall within the compass of human understanding, being either, first, the nature of things, as they are in themselves, their relations, and their manner of operation: or, secondly, that which man himself ought to do, as a rational and voluntary agent, for the attainment of any end, especially happiness: or, thirdly, the ways and means whereby the knowledge of both the one and the other of these is attained and communicated; I think science may be divided properly into these three sorts.




– Locke, 1823/1963, p. 174



Codes also represent the values of the culture, and are able to add new shades of connotation to every aspect of life



It can improve ergonomic design in situations where it is important to ensure that human beings can interact more effectively with their environments, whether it be on a large scale, as in architecture, or on a small scale, such as the configuration of instrumentation for human use.

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