What is a ‘symbol’? Many theorists may say that language is a symbolic sign system. But Saussure prefers not to refer to language as ‘symbols’. He feels other things like the scales of justice are symbols, because the signifier has some connection with the signified. It is not wholly arbitrary. Some others argue that symbols become so only because we associate that idea with them constantly. For example the word ‘house’ do not look anything like a house, but has come to signify ‘house’.
Is written music a system of symbols? What about mathematics?
An ‘icon’ represents mainly by it similarity. Icons have qualities that resemble the object they signify. A picture is actually a symbol, not a duplicate of what it represents, no matter how realistically it has been rendered. Because pictures resemble what they represent only in some respects, you will rarely mistake a picture for the real thing!
Icons are influenced by the cultural conventions of the place where they originate. For example, we all understand what the iconic representation of the man for a public lavatory means, but if it shown to someone outside our culture, a tribal from remote Africa, he is unlikely to understand that it represents a public lavatory. We already know the meaning so we see the resemblance and feel it looks like a man. For an icon to be truly transparent, it should be understood across any culture.
As graphic designers we know how difficult it can be to create something of this nature. To create an icon that would be understood across the length and breadth of India seems an impossible task, let alone across the globe. Icons are influenced by the culture in which they operate. To create an icon for ‘drinking water’ in India would be a challenge, across the country people may be drinking from a glass, a tap, a lota, a jug, a matka, a water pot, and numerous other local devices.
Kent Grayson observes: ‘Because we can see the object in the sign, we are often left with a sense that the icon has brought us closer to the truth than if we had instead seen an index or a symbol’ (Grayson 1998, 36). We all think that Shakespeare actually looks like the picture we have seen of him, or even Christ or Krishna. We will never have proof whether they actually looked liked that, but that is their identity now.
An index is connected with the object in a very real way. For example a sun-dial, or clock indicates the time of day, and nothing else. An index is like a fragment torn away from the object. Anything that focuses the attention is an indexical sign. Photographs are iconic and indexical especially when they are candid. For this reason photographs and video are often used as ‘evidence’. Photographs and film footage may also be symbolic when it is posed, rehearsed, and standing for something else.
A sign can be a symbol, an icon, an index, or a combination of the three. What are we? You as person would be an index if you are there in person, or are in a photograph. A photo may also be a symbol, as would be your signature, your voice, or your portrait, which would be more iconic if there was a reasonably good resemblance. Generally one category would have dominance.
Early writing was highly iconic, such as the Egyptian hieroglyphics. Slowly writing evolved a more symbolic character. I wonder how writing is going to evolve further from the present day. With the dominance of the digital media it may become more and more symbolic. Maybe there will be a day when writing is mathematics.
It is interesting for graphic designers to understand how these three operate. A lock can communicate a lot more than just a lock. its security, strength, closed/open, metal, safe, hard, stubborn.. and much more.