ITAP Defining the Semiotic Theory

Defining the Semiotic Theory


Sign,could be anything, sign is a thing signifies another thing.like daybreak signs a new day comes, thunder signs of storm.These are the natural sign.gestures,slogans,ads,sounds,posters,colors,etc.

Here are three kinds of signs:
 SYMBOL-----ICON-----INDEX

      









Symbol
A symbol has a conventional relationship to the thing it signifies,is something such as an particular mark that represents some piece of information.and the particular mark has no meaning if we don't give it a meaning,it's something about culture agreement.like the symbol of uk money----pound.if we don't setting the sharp thing is the symbol of pound, when we see this sharp of picture is pound,we know ,because we setting it .

Icon
Icon has a visible resemblance to the thing it signifies.
Icon always represents the objects directly.the out look of icon always has resemble elements with the object it represent.like the icon of toilet ,we can distinguish women's toilet and man's toilet because when we see the icon we can know which is for women which is for man.Icon signs always vivid,concrete and image.

Index

An index has a causal relationship to the thing that it signifies.The index sign is signs something the object develop.It signs a result of a thing. a real relation in virtue of its being irrespective of interpretation.It's not a directly things,you have to think,and a index could  represent not just one thing.